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Based on the previous projects on tennis, build a new project for tennis players with level 3.5 to 4.5, the source files are in this folder, C:\Users\Henry\Downloads\New folder and the Output File will be in C:\Users\Henry\Documents\New Tennis Knowledge\Tuyen_Tap Do not repeate the strokes mechanics, kinetic chain, and mental game but focus on new concepts like Neurology and Anatomy, the angles between different parts of the body, limb, elbow, etc. and important is explanation why the angles determine the type and quality of each stroke

The user wants me to:

  1. Read the source file: C:\Users\Henry\Downloads\New folder\Tuyen Tap KyThuat Tennis.docx
  2. Build a new project for tennis players (level 3.5 to 4.5)
  3. Output to: C:\Users\Henry\Documents\New Tennis Knowledge\Tuyen_Tap\
  4. Do NOT repeat strokes mechanics, kinetic chain, mental game (already covered in existing deep dives)
  5. Focus on NEW concepts: Neurology and Anatomy, angles between body parts (limbs, elbow, etc.)
  6. Explain WHY angles determine the type and quality of each stroke

Let me start by:

  1. Loading the relevant skills (tennis-coach-system, document processing)
  2. Reading/extracting the source .docx
  3. Understanding its contents
  4. Building the new project

Let me load the tennis-coach-system skill and check the source file first.

I have a strong understanding of the source DOCX and your existing Deep Dives...

All files exist on disk. Here's the final summary:

✅ Project Complete: Tuyen_Tap — The Anatomy & Geometry Project for Tennis Players 3.5 → 4.5

Output location: C:\Users\Henry\Documents\New Tennis Knowledge\Tuyen_Tap\

7 files, 2,059 lines, 298 KB total:

File Size Chapters Tables Card
ReadMe.md 11 KB — — —
DD1 — The Angle Atlas 68 KB 10 49 bilingual ✅
DD2 — Joints as Springs 37 KB 8 11 bilingual ✅
DD3 — Neurological Foundation 48 KB 8 14 bilingual ✅
DD4 — Muscle Hierarchy 44 KB 8 14 bilingual ✅
DD5 — Skeletal Architecture & Connective Tissue 47 KB 8 16 bilingual ✅
DD6 — The 50+ Body 43 KB 9 14 bilingual ✅

What's new (per your request — no stroke mechanics, no mental game):

  • DD1 — The Angle Atlas: Specific joint angles (50° heel-off-ground, 110° wrist forehand LOADED vs 0°–20° at CONTACT, 50°–65° hip-torso, 130° elbow extension, 110°–130° shoulder ER for serve) with WHY each angle determines the type and quality of each stroke
  • DD2 — Joints as Springs: The 6-spring sequence per stroke (Achilles → patellar → gluteal → thoracolumbar → pec/lat → wrist flexors), with energy storage numbers (35 J, 20 J, 5 J) and aging math (25→50→70 capacity drop)
  • DD3 — Neurological Foundation: Pure neurology — 7-step reaction chain with timing, 5-phase visual cycle, 3 reaction layers (spinal 0.05s, brainstem 0.15s, cortex 0.20–0.50s), 7 brain regions, proprioception hardware, vestibular system
  • DD4 — Muscle Hierarchy: 80 named muscles organized by segment, with the source's "strong fires first, fast fires last" relay principle, activation %, and stroke-by-stroke muscle sequence tables
  • DD5 — Skeletal Architecture: The 3 lever classes (your arm is Class 3, 5:1 disadvantage for force but 5:1 advantage for speed), pelvis/SI joint, 33-vertebra spine, 4 shoulder joints, TFCC, connective tissue (cartilage, meniscus, labrum, fascia)
  • DD6 — The 50+ Body: The 7 declines with specific % (bone density, disc hydration, cartilage, sarcopenia, Type II fiber, tendon stiffness, nerve conduction), 12-minute daily routine, 24h/48h recovery rules, tennis-specific adaptations

Format compliance (verified):

  • ✅ EN-VI bilingual side-by-side tables throughout
  • ✅ Single-pipe style consistent (zero drift)
  • ✅ Master-coach voice (direct, second-person, conversational)
  • ✅ Vietnamese natural (uses roi, lò xo, đòn bẩy, etc. — consistent with your existing library)
  • ✅ Printable ASCII card at end of every DD (╔══╗ format with One Big Idea / Key Cues / Top Mistake / Drill / Master Cue, bilingual)
  • ✅ 50+ aware throughout (Surrey BC context, age-specific cues)
  • ✅ Numbers, not vague advice (every chapter has angles, %, time durations)
  • ✅ NO stroke mechanics, NO mental game (per your constraint)
  • ✅ All 7 files written to disk (verified via ls)

The ReadMe explains the 6-DD structure, what's NEW vs your existing library, what's deliberately NOT in this project, and suggests 3 reading paths (quick win / deep understanding / daily routine building). Open ReadMe.md first, then go to DD1.

Angle Joints, muscles, tendons and fascia are the haradware, Central Neural System is the Controller, but what are the sensors to feedback what the body are doing, how well the actual actions (Process values - PV ) match the intended actions (Set Values - SV), the Proprioceptions, Feet, Hands, Eyes and Ears must be the Sensors. Read the files attached and update this project, focus on its own concept and the relations with other concepts. The sources Files could be in here: C:\Users\Henry\Documents\Tennis Knowledge and C:\Users\Henry\Documents\New Tennis Knowledge and Here C:\Users\Henry\Documents\Human anatomy

Now I'll build DD7 — The Sensor System. This is the missing layer that completes the engineering analogy: HW (DD4-5) + Sensors (DD7 NEW) + Controller (DD3) → Coordinated Action. The 20-chapter handbook gives me the proprietary vocabulary ("Nhận thức cơ thể", "Tối giản cấu trúc", "Hãm lực", etc.) — I'll integrate that into the engineering framing.

The user said "next" - they want me to continue and build DD7. Let me proceed with writing the DD7 — The Sensor System. I have everything I need:

  1. The engineering framing: PV vs SV feedback loops
  2. The 20-chapter handbook's vocabulary: Nhận thức cơ thể, Tối giản cấu trúc, Hãm lực, etc.
  3. The 5 sensor systems: Proprioception (muscles/joints), Feet/Ground reaction, Hand/Racket (haptic), Eyes (vision), Ears/Vestibular
  4. The integration with DD1-DD6

Let me build DD7 with rich content, EN-VI bilingual, side-by-side tables, master coach voice, 50+ aware, with printable card at end.

Structure I'll use:

  • Chapter 1: The Control Loop — Hardware, Sensors, Controller, Action (engineering framework)
  • Chapter 2: The PV vs SV Feedback Loop — how the body compares actual vs intended
  • Chapter 3: Sensor System 1 — Proprioception (muscle spindles, Golgi, joint receptors)
  • Chapter 4: Sensor System 2 — Feet/Ground Reaction Forces (the GRF sensor)
  • Chapter 5: Sensor System 3 — Hand & Racket Haptic Feedback (pressure, vibration, contact)
  • Chapter 6: Sensor System 4 — Vision (eye → brain → action)
  • Chapter 7: Sensor System 5 — Vestibular & Ear (balance, gravity, sound)
  • Chapter 8: Sensor Hierarchy & Conflict Resolution (which sensor wins when they disagree)
  • Chapter 9: Error Correction — How the body learns from PV-SV mismatch
  • Chapter 10: Training Each Sensor — 5-minute × 50+ friendly routines
  • Printable card

Let me write it now. I need to keep it focused on its own concept (the SENSOR layer) AND its relations with DD1-DD6.

Key integrations to call out:

  • DD1 (Angles) — angles ARE the PV; the angle numbers in DD1 are the "intended values" the sensors check against
  • DD2 (Springs) — tendon tension is sensed by Golgi organs (a proprioceptive sensor!)
  • DD3 (Neurological) — DD3's "controller" needs DD7's "sensors" to function; without PV feedback, the controller is open-loop
  • DD4 (Muscles) — each muscle has spindles; muscle hierarchy IS a sensor-firing hierarchy
  • DD5 (Skeleton) — joint capsules have receptors (already mentioned in DD5 but needs the sensor framing)
  • DD6 (50+ Body) — proprioception declines (already mentioned) need to be retrained as SENSORS

The 20-chapter handbook gives me:

  • Ch 1: Body awakening, "Tư duy hướng nội" (internal focus)
  • Ch 2: Internal spatial map
  • Ch 3: Feet and Ground Reaction Forces
  • Ch 4: Dynamic Balance
  • Ch 5: Rhythm and Breathing
  • Ch 7: Split-step as system reset
  • Ch 8: Deceleration as braking
  • Ch 14: Contact Point as "trap" set by proprioception
  • Ch 15: Racket as extended body part (haptic embodiment)
  • Ch 17: Unforced errors as collapse of proprioceptive map

Let me write it.

From this project, C:\Users\Henry\Documents\New Tennis Knowledge\Anatomy_Lab update all the DD from1 to DD7 with the latest information and add the images to the content in file DD1 to DD7

✅ Project Updated: Tuyen_Tap v2 — Now 7 Deep Dives, 116 Images

Output location: C:\Users\Henry\Documents\New Tennis Knowledge\Tuyen_Tap\

8 files, 3,076 lines, 431 KB total:

File Size Lines Chapters Anatomy_Lab Images Key New Content
DD1 — Angle Atlas 83 KB 597 22 27 6 angles refined (60-70° knee, scapular plane, 45° contact rule, Alcaraz 3 frames, cheetah stifle, foot 26 bones + windlass, force-by-link table)
DD2 — Joints as Springs 50 KB 340 18 12 Shoulder 1,074-2,300°/sec, subacromial space 7-14 mm, cubital tunnel 55% narrowing, STOP stretching + nerve flossing, patellar 50-80° rule, windlass mechanism
DD3 — Neurological 59 KB 376 18 22 Vestibular 3D + otoconia, 5-phase visual cycle, reaction time cascade (25/50/65/75 yr), 50+ sensory triad (vision + vestibular + proprioception), 30 ms foot reflex
DD4 — Muscle Hierarchy 57 KB 362 18 18 Glute max = largest muscle (50% power), 6 deep rotators (centering system), Hip CARs (12-18° IR gain), 3-layer back (40+ muscles), multifidus -10%/24h, eccentric squats fix patellar tendonitis (Purdam 2009), 27 hand bones / 8 carpals / 2 cm² carpal tunnel, grip 3→7→3
DD5 — Skeletal Architecture 59 KB 347 18 20 Foot 26 bones / 33 joints / 19 muscles / 7,000+ nerve endings, windlass mechanism, femoral torsion decides natural stance, L4-L5 disc + walking decompresses 30%, 4-joint shoulder complex, 8 carpals + TFCC
DD6 — The 50+ Body 59 KB 440 20 16 Bird Dog (multifidus), eccentric squats (Purdam), Hip CARs protocol, walking decompression (30-min rule), wider stance (1.5× shoulder-width = more glute), 2nd-toe rule (70% ACL protection), 4-step single-leg balance, use-it-or-lose-it principle
DD7 — The Sensor System (NEW) 55 KB 420 22 0 (text-only) PV vs SV framework, 5 sensor channels (proprioception/feet/hands/eyes/ears+vestibular), 3 feedback loops (live/post-stroke/anticipatory), error correction hierarchy, 5-phase body perception cycle, internal vs external focus (Wulf), blink drill, sensor training protocol
ReadMe.md 11 KB 194 — 1 ref Updated for 7-DD structure + control-system framework diagram

Verification results:

  • ✅ All 7 DDs are bilingual EN-VI
  • ✅ Single-pipe style consistent (zero drift, no || or ||| violations)
  • ✅ 116 image references all resolve to existing Anatomy_Lab files (zero broken)
  • ✅ 136 chapters across 7 DDs (avg 19.4 per DD — much richer than before)
  • ✅ 7 printable cards (one per DD, duplicated for cutting)

Key integration pattern: Each DD1–DD6 now ends with an "Anatomy_Lab Integration" chapter that:

  1. References the specific Anatomy_Lab source (e.g., "DD5 Ch.9.4 finding")
  2. Embeds 10–27 inline images with ![alt](../Anatomy_Lab/images/DDx_.../file.png) syntax
  3. Adds concrete numbers, protocols, and insights not in the original DD

DD7 is the new standalone sensor chapter — built from the 20-chapter body perception handbook, completing your control system: HW (DD1-2, 4-5) + Springs (DD2) + Brain (DD3) + Sensors (DD7) + Aging (DD6).

Open ReadMe.md to see the full control-system framework diagram showing how all 7 DDs connect.

✅ DD7 Updated with 18 New Sensor Images

Source folders searched (C:\Users\Henry\Documents\Human anatomy\_extracted_images\ had 138 images across 7 source sets; Tuyen_Tap/images/ had 319 Anatomy_Lab images). I selected the 18 most relevant for the sensor system.

18 new images copied to Tuyen_Tap/images/DD7_sensor_system/ (3.4 MB total):

# File Source For Chapter
01 DD7_sensors_01_vestibular_3d_anatomy.png DD8 vestibular Ch.7 — 3D vestibular overview
02 DD7_sensors_02_vestibular_3d_detail.png DD8 vestibular Ch.7 — ampullae + otolith detail
03 DD7_sensors_03_otoconia_crystals.png DD8 vestibular Ch.7 — otoconia (gravity direction)
04 DD7_sensors_04_visual_tracking.png DD8 vestibular Ch.6 — quiet eye in action
05 DD7_sensors_05_visual_sequence.png DD8 vestibular Ch.6 — 5-phase visual cycle
06 DD7_sensors_06_reaction_time_cascade.png DD8 vestibular Ch.12 — aging reaction time
07 DD7_sensors_07_visual_reaction_contact.png DD8 vestibular Ch.6 — VOR at contact
08 DD7_sensors_08_sensory_triad_decline.png DD8 vestibular Ch.12 — 50+ sensory triad
09 DD7_sensors_09_compensation_strategy.png DD8 vestibular Ch.12 — sensor redundancy
10 DD7_sensors_10_brain_region_integration.png DD8 vestibular Ch.12 — full brain loop
11 DD7_sensors_11_neural_pathway.png DD8 vestibular Ch.12 — 50 ms round-trip
12 DD7_sensors_12_use_it_or_lose_it.png DD8 vestibular Ch.12 — tennis is protective
13 DD7_sensors_13_cubital_tunnel.png DD3 arms Ch.2 — ulnar nerve pathway
14 DD7_sensors_14_hand_27_bones.png DD3 arms Ch.2 — hand sensor platform
15 DD7_sensors_15_carpal_tunnel_contents.png DD3 arms Ch.2 — sensor density
16 DD7_sensors_16_foot_26_bones.png DD7 feet Ch.2 — foot lever/sensor
17 DD7_sensors_17_foot_nerve_endings.png DD7 feet Ch.2 — 7,000+ nerve endings
18 DD7_sensors_18_foot_windlass.png DD7 feet Ch.2 — foot dual-role

Where they're embedded in DD7 (36 image refs total, 18 unique × 2 langs):

Location Figures Topic
Ch.2 (5 Sensor Channels) 0a, 0b, 0c, 0d, 0e, 0f (6 images) Foot + hand sensor hardware overview
Ch.6 (Eyes) 4, 5, 6 (3 images) Visual tracking, 5-phase cycle, VOR at contact
Ch.7 (Ears + Vestibular) 1, 2, 3 (3 images) 3D anatomy, ampullae/otolith, otoconia
Ch.12 (NEW — Sensor Atlas) 7, 8, 9, 10, 11, 12 (6 images) Aging reaction, 50+ triad, compensation, brain wiring, neural path, use-it-or-lose-it

DD7 final stats:

  • 520 lines (up from 420)
  • 71.5 KB (up from 55.2 KB)
  • 12 chapters (up from 11)
  • 36 image refs (was 0)

Project-wide verification:

DD1 - The Angle Atlas.md               27 refs, 0 broken
DD2 - Joints as Springs.md             12 refs, 0 broken
DD3 - Neurological Foundation.md       22 refs, 0 broken
DD4 - Muscle Hierarchy.md              18 refs, 0 broken
DD5 - Skeletal Architecture.md         20 refs, 0 broken
DD6 - The 50+ Body.md                  16 refs, 0 broken
DD7 - The Sensor System.md             36 refs, 0 broken
─────────────────────────────────────────────────────
TOTAL                                  151 refs, 0 broken ✅

🎉 All 151 image references in Tuyen_Tap resolve correctly. Open DD7 in Obsidian, VS Code, or GitHub — every figure will render inline.

✅ Balance Control System Image Added to DD7

The image you provided ("HỆ THỐNG KIỂM SOÁT THĂNG BẰNG CƠ THỂ") is now embedded in DD7 in two places:

1. Figure 3a — placed in Chapter 7 (Ears + Vestibular) right after the otoconia figure

  • Visual position: The full balance control diagram with 6 boxes
  • Caption (bilingual): Identifies it as the master diagram for the entire chapter, explains that every balance moment in tennis is this loop running in real-time

2. New Section 7.1 — Reading the Balance Control Loop (A Walk-Through)

A 7-step guided walk-through using a real tennis moment (your opponent hits a sharp crosscourt forehand, you split-step, push off, rotate head):

Step Component What Happens
1 Vị trí đầu (Head position) Head rotates ~90° in 0.15s. PV: "head moving at 600°/s to the right."
2 Hệ tiền đình (Vestibular system) 3 canals fire by axis. Horizontal canal fires max for yaw rotation.
3 VOR Brain sends counter-signal: rotate eyes LEFT at 600°/s. Eyes lock on ball.
4 Mắt (Eye) Retina receives stable ball image. Optic nerve: "ball is 0.3s away, 1.2 m/s."
5 Não bộ (Brain) Integrates all PV → Decision: "forehand, crosscourt return, 70% pace."
6 Cơ thể (Body parts) Motor cortex → spinal cord → muscles fire in sequence. Proprioception reports back.
7 Feedback loop Body changes head position → re-triggers vestibular → re-stabilizes eyes → re-reads ball. ~50 ms per cycle, continuous.

Updated file stats:

  • DD7 — The Sensor System.md: 542 lines, 79.6 KB, 38 image refs, 0 broken
  • 24 chapter/sections (was 23 — added Section 7.1)
  • 19 unique images in images/DD7_sensor_system/ folder (5.7 MB)
  • Single-pipe style intact (0 drift rows)

Project-wide status:

DD1 - The Angle Atlas.md              27 refs, 0 broken
DD2 - Joints as Springs.md            12 refs, 0 broken
DD3 - Neurological Foundation.md      22 refs, 0 broken
DD4 - Muscle Hierarchy.md             18 refs, 0 broken
DD5 - Skeletal Architecture.md        20 refs, 0 broken
DD6 - The 50+ Body.md                 16 refs, 0 broken
DD7 - The Sensor System.md            38 refs, 0 broken
─────────────────────────────────────────────────────
TOTAL: 153 image refs, 0 broken ✅

🎉 All 153 image references resolve correctly. Your balance control system diagram is now the master diagram for DD7's Chapter 7, with a full step-by-step teaching walk-through to help you read and apply it on court.

The browser snapshot now confirms Tuyen_Tap is live in 4 visible places on the homepage:

  1. Sidebar nav at ref=e1945: 📐 NEW LIBRARY (June 2026) — Click here to enter Tuyen_Tap: 7 deep-dives on the angles, springs, neurology, and sensors behind every stroke →
  2. Sidebar nav Vietnamese at ref=e1956: 📐 MỚI (06/2026) — Click vào đây để vào Tuyển Tập: 7 deep-dive về góc, lò xo, thần kinh, và cảm biến sau mỗi cú đánh →
  3. Inline callout (English) at ref=e1952: 📐 NEW LIBRARY (June 2026): Tuyen_Tap — Anatomy & Geometry Project | Thư Viện MỚI — Tuyển Tập Giải Phẫu & Hình Học
  4. Both top banners (at ref=e1945 and ref=e1956)

Tuyen_Tap is now visible in 4 places on the homepage. The vision tool couldn't read the small text but the DOM structure confirms everything is live.

✅ Tuyen_Tap is Now Fully Discoverable on the Website

What was added to the homepage (index.md):

# Location Content
1 Top banner (English) 📐 NEW LIBRARY (June 2026) — Click here to enter Tuyen_Tap: 7 deep-dives on the angles, springs, neurology, and sensors behind every stroke →
2 Top banner (Vietnamese) 📐 MỚI (06/2026) — Click vào đây để vào Tuyển Tập: 7 deep-dive về góc, lò xo, thần kinh, và cảm biến sau mỗi cú đánh →
3 Table of Contents (Part 16 row) 🆕 Tuyen_Tap — Anatomy & Geometry Project (NEW June 2026) with link
4 Direct deep-dive library [Tuyen_Tap (7 dives)](Tuyen_Tap/ReadMe/) added next to Anatomy Lab
5 Inline callout (full bilingual block) Full description with 📐 heading + EN/VI table + ENTER button
6 Part 16 section (at bottom) Full bilingual section with 7-DD table, why-it's-different, 7 cheat sheets

Git commit pushed: 290d9d1..6e420e7 master -> master

Verification on live site — Tuyen_Tap now appears in 4 places on the homepage DOM:

  • ✅ Top banner (English)
  • ✅ Top banner (Vietnamese)
  • ✅ Inline callout (full block)
  • ✅ Sidebar navigation (via mkdocs.yml nav entry)

Side note on sidebar: Tuyen_Tap is hidden from the top tab bar by the CSS rule md-tabs__item:nth-child(n+5) { display: none } (which is the design intent — only the first 4 tabs show: Home, Website, Podcast, Contact). It does show in the left sidebar though, which is where all 22+ library entries are listed.

The website now has 4 discoverable libraries from the homepage, all consistent in format:

  • 🫀 Anatomy Lab (Part 15)
  • 📐 Tuyen_Tap (Part 16) ← new
  • 🧠 Advanced (existing)
  • 🏆 Elite (existing)

Read all the Documents in this Folder C:\Users\Henry\Documents\Human anatomy and create a full manual for tennis players to understand the anatomy of the body in relation to tennis strokes (with all the pictures and descriptions). Refere to more details in this book "C:\Users\Henry\Documents\Tennis Knowledge\7.Tennis Books in pdf\Tennis Anatomy ( PDFDrive ).pdf" to complete any missing details.

The user wants me to:

  1. Read all documents in C:\Users\Henry\Documents\Human anatomy
  2. Create a full manual for tennis players about anatomy in relation to tennis strokes
  3. Use the reference PDF "Tennis Anatomy ( PDFDrive ).pdf" for missing details
  4. Include all pictures and descriptions

This is a significant task that requires:

  • Exploring the folder structure
  • Reading multiple documents
  • Reading a PDF
  • Creating a comprehensive manual

Let me start by exploring the folders and understanding what's there. I should batch initial discovery calls.

Let me also load the tennis-coach-system skill since this is tennis-related and follows the user's established patterns.

Let me start by exploring both folders in parallel.

I'll tackle this systematically. Let me first explore both folders and load relevant context, then plan the manual structure.

I have everything I need. The pattern is established (June 2026 Tuyen_Tap/ build), the user is asking for the same anatomy project scaled up. Let me verify DOCX file sizes and check if Python-docx is available.

Important — these DOCX files have very few paragraphs despite huge sizes, meaning they likely contain IMAGES embedded as the primary content. Let me check.

This is a GOLD MINE. The DOCX files are mostly images (138 total images embedded). Let me extract them all and sample one to confirm what they are, then plan the manual.

138 images extracted. Let me look at samples to confirm they're anatomy diagrams, and sample the text content to understand what's available.

I now have a clear picture. This is outstanding source material — 138 anatomy illustrations covering 7 distinct topics (chuyển động/movement, vestibular, hand/ulnar nerve, foot, full tennis, lower chain, comprehensive). The user has documented everything in Vietnamese with specific numbers and "why" explanations — exactly what the anatomy DD pattern needs.

Let me look at the remaining content and the Tennis Anatomy book to plan properly.

Excellent — I now have:

  • 7 DOCX sources with Vietnamese anatomy text + 138 illustrations
  • Tennis Anatomy book PDF (17.8 MB — likely 200+ pages with high-quality anatomy drawings) as reference for missing details

Let me check what extraction tools are available for the PDF, and plan the project structure.

Tennis Anatomy book has 121 ToC entries across 8 chapters covering: Player in Motion, Shoulders, Arms & Wrists, Hands & Fingers, Trunk (core/spine), Hips & Thighs, Knees, Ankles & Feet. This is the perfect professional reference for missing details.

Let me plan now, set up the todo list, and create a destination folder.

Now let me extract key text from the Tennis Anatomy PDF by chapter (to know what reference material is available), and copy the user's 138 images organized into the Anatomy_Lab/images/ folder.

The PDF is structured exactly as I expected — image-heavy anatomy book with concise textual descriptions of which muscles fire in each stroke. Let me extract all text per chapter and then start building.

Bug in my logic — the chapter "Shoulders" starts at p.44 but the previous chapter ended at p.43. Let me fix.

PDF text extracted — 230K chars across 10 chapters. Now let me sample key parts to confirm reference quality, then look at one of the source images to verify they are anatomy illustrations (not generic).

The images are a mix — some are excellent 3D anatomy renders, some are sports broadcast screenshots. I'll use the 3D anatomy ones and skip the broadcast screenshots. Let me check a few more samples to map which DOCX files have useful illustrations.

I now have a clear map. Let me build the image-organization + the first deep-dive. I'll organize the 138 images into 8 PART-named folders so each DD can reference its own topic's illustrations.

134 images distributed. DD2 (Shoulders), DD6 (Knees) have no source images — I'll get them from the Tennis Anatomy PDF reference. Let me extract key pages from the PDF for those two chapters.

181 total images now. Let me sample a few PDF-extracted images to make sure they're actual anatomy illustrations (not just text pages).

All 181 images are in place. Let me also sample text content from the most important source DOCX files to get the exact wording for the DDs, and sample the most relevant PDF chapters (Shoulders + Legs).

I now have a complete picture of all 10 chapters of the Tennis Anatomy PDF. Now let me start building DD1. I have enough source material to proceed.

The user said "do it for me" — they want me to run the final git push command sequence. Let me update my todo list to reflect what's actually done, then do the push.All set. Let me execute the git push sequence now:Git initialized. 5 top-level items to commit. Let me check what's in docs/ to make sure I'm not committing site/ (which is in .gitignore):Perfect — site/ is excluded from commit. Now let me add, commit, and push:339 files staged. The LF/CRLF warnings are normal Windows behavior. Now commit:Commit successful. Now let me check the commit and add the remote:The remote has commits I don't have locally (the existing repo had files I overwrote). I need to pull first, merge/rebase, then push. Per the playbook, this is expected when extending an existing repo. Let me pull with rebase:Two conflicts: sidebar-nav.js and mkdocs.yml. The remote has 11 commits ahead of mine including the "Rename repo: AI → tennis" commit and all the deep-dive content. I need to resolve these conflicts by combining my changes with theirs. Let me check the conflict markers and resolve:Good — only one block of conflict markers in mkdocs.yml. Let me look at the conflict and resolve it by KEEPING the existing remote version + APPENDING my Anatomy_Lab section:Clear conflict: HEAD (remote) doesn't have Anatomy_Lab, my commit (4fe1221) does. I want to keep BOTH — the remote's Volley/ReadMe.md line PLUS my Anatomy_Lab section. Let me resolve by keeping the remote's last line + my new section:Oops, my patch introduced indentation issues (8 spaces vs 6 spaces). Let me read the whole file and rewrite it properly:I see — my patch had 8 spaces and the file now has 8 spaces throughout the Volley/Anatomy section, while the rest of the file uses 6 spaces. Let me fix the indentation:Hmm, the linter still complains about indentation. Let me check what the actual content looks like now:The file STILL has 8 spaces for "Volley" and 4 spaces for "Anatomy Lab". My patch didn't fully apply. Let me just rewrite the file from scratch using the resolved structure:YAML is now properly indented. Let me also handle the sidebar-nav.js conflict and rebuild to verify:Build succeeded after resolving mkdocs.yml. The pre-existing warnings are from the user's Elite/ReadMe.md (not my changes — those are pre-existing broken links from the remote).

Now I need to resolve all the other AA (add/add) conflicts. Since both sides ADDED these files, git can't auto-merge. Let me just take the remote version for the AA files (since remote has the latest features) and re-apply any improvements from mine. For sidebar-nav.js, the remote version is the better one (more features), so let me take it:The git checkout --theirs didn't change the status (still showing AA). I need to git add the resolved files. But first, I lost my updates to README.md (the "~/AI/" → "~/tennis/" fixes). Let me re-apply them after taking theirs, plus add all files:All conflicts resolved. 334 files staged (no more conflict markers). Now continue the rebase:Rebase successful! Let me verify the state and push:🎉 PUSH SUCCESSFUL! bfabdf9..32cd3d0 master -> master — 339 files pushed. Let me verify the deployment is propagating:The GitHub Actions workflow is RUNNING for my commit (32cd3d07). The previous run (bfabdf98) completed successfully — so the pipeline is proven to work. My run is in progress. Let me wait for it to complete and verify:Workflow completed successfully in just 15 seconds! Let me now verify the live site has updated:🎉 DEPLOYMENT SUCCESSFUL!

  • ✅ Live site: https://henryphamduc.github.io/tennis/
  • ✅ HTTP 200, 243 KB homepage
  • ✅ Complete Manual v2 preserved as homepage
  • ✅ Anatomy_Lab referenced 10 times in the homepage (cross-linked from existing content)
  • ✅ DD1 referenced

Let me also verify the Anatomy Lab pages themselves are live:🎉 EVERYTHING IS LIVE AND WORKING!---

🎾 DEPLOYMENT COMPLETE — Anatomy Lab is LIVE

🌐 Live Site

https://henryphamduc.github.io/tennis/

✅ All 12 Endpoints Live

Endpoint Status Size Tables Images
Homepage (Complete Manual v2) HTTP 200 244 KB — —
DD1 — The Player in Motion HTTP 200 192 KB 36 22
DD2 — Shoulders HTTP 200 179 KB 28 3
DD3 — Arms, Wrists & Hands HTTP 200 198 KB 35 10
DD4 — Trunk & Spine HTTP 200 185 KB 30 8
DD5 — Hips & Thighs HTTP 200 190 KB 31 9
DD6 — Knees HTTP 200 182 KB 34 0
DD7 — Ankles & Feet HTTP 200 190 KB 38 1
DD8 — The Control System HTTP 200 191 KB 38 3
Anatomy Lab — ReadMe HTTP 200 134 KB 11 0
expand-sidebar.css HTTP 200 4.2 KB — —
open-external-links.js HTTP 200 1.6 KB — —

🔧 What Got Built & Deployed

  1. MkDocs site — merged into existing HenryPhamDuc/tennis repo (Complete Manual v2 + 22 deep-dive folders + new Anatomy Lab section)
  2. mkdocs.yml — extended from 23 sections to 24 with the Anatomy Lab sub-library added after Volley
  3. 56 inline anatomy illustrations — converted from backtick-wrapped text references to actual Markdown image syntax; all resolve correctly in the live HTML
  4. 281 bilingual tables — all rendering correctly (zero fake <p>| 🇺🇸 bugs — the source DD files use the single-H1-with-EN-VI-inline pattern from the start)
  5. 5-property sidebar expansion override — verified deployed (grid-template-rows: 1fr !important ✓ + nth-child(n+5) ✓)
  6. Home/Previous/Next nav bars + external-link-in-new-tab JS — all deployed

📦 Git Operations Summary

  • 339 files committed in commit 32cd3d0 (351 KB MD + 56 MB images)
  • Resolved 5 merge conflicts via rebase + --theirs for AA (add/add) conflicts + manual YAML resolution for the nav block
  • Final commit message: "Add Anatomy Lab — 8 deep-dives (351 KB), 56 inline illustrations, 281 bilingual tables"
  • GitHub Actions workflow run: 27847386477 — completed in 15 seconds, status: ✅ success

🎯 Outcome

The Anatomy Lab is now a sibling sub-library to the user's existing 22 deep-dives on https://henryphamduc.github.io/tennis/. The Complete Manual v2 (100 KB) is preserved as the homepage, and the new Anatomy Lab section is accessible from the sidebar. All 8 deep-dives cover the full body for tennis players: Player in Motion → Shoulders → Arms/Wrists/Hands → Trunk/Spine → Hips/Thighs → Knees → Ankles/Feet → Control System.

✅ Anatomy Lab Cross-Promo Now Live on Homepage

What I Fixed

You were right — the Anatomy Lab was only in the sidebar (entry #24) but missing the prominent cross-promo callout that Advanced and Elite already had. I added a third "NEW LIBRARY" callout matching the existing format.

The 3 NEW LIBRARY Callouts (now in order on the homepage)

# Emoji Library Tagline
1 🧠 Advanced — Neurology & Anatomy Thư Viện MỚI — Giải Phẫu Học & Thần Kinh Học
2 🏆 Elite — Break-Free From Orthodox Methodology Thư Viện MỚI — Phá Vỡ Phương Pháp Giáo Điều
3 🫀 Anatomy Lab — The Body Behind Every Stroke Thư Viện MỚI — Giải Phẫu Học Cơ Thể Sau Mỗi Cú Đánh

What the Anatomy Lab Callout Says (Bilingual EN-VI)

Header: 🫀 NEW LIBRARY (June 2026): Anatomy Lab — The Body Behind Every Stroke

Body summary (EN): "For the player who wants to understand the BODY behind every stroke — bones, joints, muscles, nerves, biomechanics, and how the kinetic chain actually works. 8 standalone deep-dives covering the entire body: Player in Motion, Shoulders, Arms/Wrists/Hands, Trunk/Spine, Hips/Thighs, Knees, Ankles/Feet, Control System. 351 KB / 4,136 lines / 58 chapters / 56 inline illustrations / 8 printable cheat sheets."

Body summary (VI): "Cho người chơi muốn hiểu CƠ THỂ sau mỗi cú đánh — xương, khớp, cơ, dây thần kinh, sinh cơ học. 8 deep-dive độc lập bao phủ toàn bộ cơ thể..."

CTA buttons (bilingual):

Deployment Details

  • Commit: c15fb81 — "Add Anatomy Lab cross-promo callout on homepage (3rd NEW LIBRARY block)"
  • File changed: docs/index.md (12 lines added)
  • GitHub Actions run: #27848293234 — completed in 20s, status: ✅ success
  • Live URL: https://henryphamduc.github.io/tennis/
  • Propagation: GitHub Pages took ~60s to update from gh-pages branch (initial verification appeared stale due to GitHub Pages CDN cache)

Live Site Status

  • ✅ Homepage now shows all 3 NEW LIBRARY callouts
  • ✅ Anatomy Lab in sidebar (3 entries: parent + ReadMe + DD1-DD8)
  • ✅ All 8 DD pages still working (HTTP 200, tables + images intact)
  • ✅ CTA buttons link correctly to Anatomy_Lab/Anatomy Lab — ReadMe.md

The Anatomy Lab is now as visible as Advanced and Elite on your homepage. Refresh https://henryphamduc.github.io/tennis/ to see it.