Tennis Unified
🌐 VI
Skip to content

Meta Vị Trí Đỡ Bóng: Đường Cuối Sân Sâu So Với Tấn Công Trong Sân

CUE CHUYÊN GIA: Power (Sức mạnh nổ) = Strength × Speed — Rate of Force Development (RFD) quyết định Racquet head speed, Serve velocity, First step quickness. Train "Tennis Power" = Intent MAX, Volume LOW, Quality OVER Quantity.

1. Tóm Tắt Điều Hành & Ý Đồ Thể Thao

Phát triển sức mạnh nổ (Power Development) là chuyển hóa sức mạnh tối đa (Max Strength) thành tốc độ lực (Rate of Force Development - RFD). Tennis đòi hỏi RFD cực cao: Serve (200+ km/h trong 0.3s), Groundstroke (Racquet head 120+ km/h), First step (0-5m trong 1s), COD (Decel/Accel trong 0.2s). Bài viết định nghĩa Tennis Power Model: (1) RFD Training (Huấn luyện RFD) — Intent MAX, Light loads, High velocity, Ballistic. (2) Plyometrics (Plyometrics) — Stretch-Shortening Cycle (SSC), Tennis-specific patterns, Progressive intensity. (3) Medicine Ball Throws (Ném Medicine Ball) — Rotational power, Serve/Groundstroke transfer, Multi-planar. (4) Olympic Lift Derivatives (Biến thể Olympic Lift) — Triple extension, Hip power, Full body coordination. Giao thức "Tennis Power Protocol" xây dựng sức mạnh nổ tennis-specific từ Strength foundation đến Peak power.

Ý định thể thao ba khía cạnh: thứ nhất, định nghĩa Power ≠ Strength — Power = Strength × Velocity — Mạnh mà chậm = Không dùng được trong tennis. Thứ hai, chỉ ra Intent = Everything — Mọi rep phải MAX INTENT, Không "vận động", Quality over Quantity. Thứ ba, cung cấp bộ bài tập "Power Mastery" xây dựng RFD tennis từ General Prep đến Competition peaking.

2. Nền Tảng Cơ Sinh Học & Thần Kinh Học

2.1 RFD Physiology (Sinh Lý Học RFD)

RATE OF FORCE DEVELOPMENT (RFD):
┌─────────────────────────────────────────────────────────────────────────────┐
│  DEFINITION: Độ dốc đường cong Force-Time (N/s) — Nhanh bao nhiêu lực đạt được.│
│  ├── Early RFD (0-50ms): Neural drive, Motor unit recruitment, Firing rate│
│  ├── Late RFD (50-200ms): Muscle-tendon stiffness, Elastic energy       │
│  └── Peak Force: Max strength ceiling                                  │
│                                                                             │
│  TENNIS TIME CONSTRAINTS:                                                  │
│  ├── Serve: 0.3-0.4s (Toss to contact) → RFD critical                 │
│  ├── Groundstroke: 0.15-0.25s (Forward swing) → RFD critical          │
│  ├── First Step: 0.1-0.2s (Reaction to force) → RFD critical          │
│  ├── COD: 0.1-0.3s (Decel/Accel) → RFD critical                       │
│  └── Volley: 0.1-0.2s (Reaction to contact) → RFD critical            │
│                                                                             │
│  RFD TRAINING PRINCIPLES:                                                  │
│  ├── Intent > Load: Light load (30-60% 1RM), MAX VELOCITY intent      │
│  ├── Ballistic: No deceleration phase, Release/Jump/Throw             │
│  ├── Neural Adaptation: Motor unit synchronization, Rate coding ↑      │
│  ├── Tendon Stiffness: Elastic energy storage/release ↑               │
│  └── Volume: LOW (3-5 sets × 3-5 reps) — High neural cost             │
│                                                                             │
│  FORCE-VELOCITY CURVE OPTIMIZATION:                                        │
│  ├── Strength End: Heavy lifts (85-95% 1RM) → Max Force ↑             │
│  ├── Power Zone: 30-60% 1RM, Ballistic → Peak Power ↑                 │
│  ├── Speed End: Plyometrics, Sprints, Throws → Max Velocity ↑         │
│  └── Tennis = Entire Curve (Serve = Speed, Groundstroke = Power,      │
│      First Step = Speed, COD = Power)                                     │
└─────────────────────────────────────────────────────────────────────────────┘

2.2 Plyometric Continuum (Dải Plyometric)

PLYOMETRIC INTENSITY CONTINUUM:
┌─────────────────────────────────────────────────────────────────────────────┐
│  LOW INTENSITY (Foundation - General Prep):                                │
│  ├── Pogo Jumps (Ankle stiffness, 2-footed, Rhythm)                   │
│  ├── Line Hops (Lateral/Forward/Backward, Quick feet)                 │
│  ├── Skipping (A/B/C skips, Coordination, Rhythm)                     │
│  ├── Low Box Jumps (20-30cm, Stick landing)                           │
│  └── Volume: 80-100 contacts/session, 2x/week                         │
│                                                                             │
│  MODERATE INTENSITY (Specific Prep):                                       │
│  ├── Box Jumps (40-60cm, Max height, Min contact)                     │
│  ├── Hurdle Hops (30-60cm, Continuous, Rhythm)                        │
│  ├── Depth Jumps (20-40cm, Stick → Reactive)                          │
│  ├── Lateral Bounds (Distance, Stick landing)                         │
│  ├── Split Squat Jumps (Unilateral, Alternating)                      │
│  └── Volume: 60-80 contacts/session, 2x/week                          │
│                                                                             │
│  HIGH INTENSITY (Pre-Comp/Peak):                                           │
│  ├── Depth Jumps (40-60cm, Reactive, Min contact)                     │
│  ├── Continuous Hurdle Hops (Max height, Max speed)                   │
│  ├── Single-Leg Depth Jumps (Advanced, 20-30cm)                       │
│  ├── Drop Jumps (60cm+, Reactive, Stiffness)                          │
│  └── Volume: 40-60 contacts/session, 1-2x/week                        │
│                                                                             │
│  TENNIS-SPECIFIC PLYOMETRICS:                                              │
│  ├── Split Step → Sprint → Plant → Hit (Reaction + Accel + Decel)    │
│  ├── Split Step → Lateral Bound → Plant → Hit (COD + Hit)             │
│  ├── Serve Jump → Land → Sprint (Serve power + Recovery)              │
│  └── Reactive COD (Light/Partner signal → Direction change)           │
└─────────────────────────────────────────────────────────────────────────────┘

2.3 Medicine Ball Training for Tennis (Med Ball Cho Tennis)

MEDICINE BALL THROWS - TENNIS TRANSFER:
┌─────────────────────────────────────────────────────────────────────────────┐
│  ROTATIONAL POWER (Serve/Groundstroke Transfer):                           │
│  ├── Rotational Shot Put (Forehand/Backhand side, Hip drive → Throw)  │
│  ├── Step-Behind Rotational Throw (Counter-movement, Hip separation)  │
│  ├── Kneeling Rotational Throw (Upper body isolation, Thoracic mobility)│
│  ├── Seated Rotational Throw (Pure rotation, No leg drive)            │
│  └── Overhead Slam (Serve pattern, Triple extension → Slam)           │
│                                                                             │
│  LINEAR/POSTERIOR CHAIN (First step/Sprint/Jump):                         │
│  ├── Chest Pass (Horizontal push, Partner/Wall)                       │
│  ├── Scoop Toss (Posterior chain, Hip hinge → Throw)                  │
│  ├── Granny Toss (Between legs, Posterior chain, Triple extension)    │
│  └── Vertical Toss (Triple extension, Max height)                     │
│                                                                             │
│  UNILATERAL/ASYMMETRICAL (Tennis = Asymmetrical):                         │
│  ├── 1-Arm Rotational Throw (Forehand/Backhand specific)              │
│  ├── Split Stance Rotational Throw (Stance-specific)                  │
│  ├── Lateral Bound → Rotational Throw (COD + Rotational power)        │
│  └── Serve Pattern: Kneeling → Stand → Throw (Serve kinetic chain)   │
│                                                                             │
│  PROGRAMMING:                                                              │
│  ├── Weight: 2-5kg (Men), 1-3kg (Women) — Speed over weight          │
│  ├── Sets/Reps: 3-5 sets × 3-5 reps/side, MAX INTENT                │
│  ├── Rest: 2-3min (Neural recovery)                                   │
│  ├── Frequency: 2x/week (Specific Prep), 1x/week (Pre-Comp)          │
│  └── Progression: Weight ↓ / Velocity ↑ / Complexity ↑              │
└─────────────────────────────────────────────────────────────────────────────┘

3. Trình Tự Thực Thi Kỹ Thuật (Checkpoints)

Giai Đoạn 1: RFD Foundation (Nền Tảng RFD)

**Bài tập 1: "Ballistic Lifting - Intent Training" (Nâng Ballistic - Huấn Luyện Ý Định)"

  • Exercises:
  • Trap Bar Jump Squat: 30-40% 1RM, 3×5, Jump max height.
  • DB Jump Shrug: 30% 1RM, 3×5, Explosive triple extension.
  • Bench Press Throw (Smith/Partner): 30-40% 1RM, 3×5, Throw max height.
  • 1-Arm DB Snatch: 20-30% 1RM, 3×5/side, Explosive pull.
  • Key: NO DECELERATION — Release/Jump, Land soft, Reset.
  • Monitoring: Velocity (VBT unit nếu có) hoặc Height/Distance.
  • 4-6 weeks. KPI: Velocity/Height ↑, Intent consistent, Fatigue minimal.

**Bài tập 2: "Light Load Power - Velocity Based" (Sức Mạnh Nổ Nhẹ - Dựa Trên Tốc Độ)"

  • Protocol:
  • Load: 30-60% 1RM (Tìm load tối ưu Peak Power cho từng bài).
  • Sets/Reps: 4-5 sets × 3-5 reps.
  • Rest: 3-5min (Phục hồi thần kinh hoàn toàn).
  • Feedback: Velocity each rep (VBT) hoặc "Feel" (Max speed).
  • Exercises: Squat, Bench, Row variations, 1-Arm variations.
  • Auto-regulation: Velocity drop >10% → Stop set. Daily 1RM estimate → Adjust load.
  • 4-6 weeks. KPI: Peak power load identified, Velocity maintained, Auto-regulation working.

Giai Đoạn 2: Plyometric Progression (Tiến Trình Plyometric)

**Bài tập 3: "Low-Intensity Plyometrics - Ankle Stiffness & Rhythm" (Plyometric Thấp Cường Độ - Độ Cứng Cổ Chân & Nhịp Điệu)"

  • Session (2x/week, Pre-tennis hoặc Separate):
  • Pogo Jumps: 3×20s (Stiff ankle, Min knee bend, Rhythm).
  • Line Hops: 3×15s each (Forward/Back, Lateral, Single leg).
  • Skipping A/B/C: 3×20m each.
  • Low Box Jumps: 3×5 (20-30cm, Stick landing 2s).
  • Focus: Ankle stiffness, Ground contact time <0.2s, Rhythm.
  • Volume: 80-100 contacts.
  • 4 weeks. KPI: Contact time ↓, Stiffness ↑, Rhythm consistent.

**Bài tập 4: "Moderate-Intensity Plyometrics - Power Development" (Plyometric Trung Bình - Phát Triển Sức Mạnh Nổ)"

  • Session (2x/week):
  • Box Jumps: 4×4 (40-60cm, Max height, Stick 2s).
  • Hurdle Hops: 3×5 (40-50cm, Continuous, Rhythm).
  • Depth Jumps: 3×4 (30cm, Step off → Stick landing).
  • Lateral Bounds: 3×4/side (Max distance, Stick).
  • Split Squat Jumps: 3×5/side (Alternating, Height).
  • Focus: Hip/Knee extension power, Min contact time, Max height/distance.
  • Volume: 60-80 contacts.
  • 6-8 weeks. KPI: Jump height/distance ↑, Contact time <0.25s, Landing stable.

**Bài tập 5: "High-Intensity & Tennis-Specific Plyometrics" (Plyometric Cao Cường Độ & Đặc Thù Tennis)"

  • Session (1-2x/week, Pre-Comp):
  • Depth Jumps: 3×3 (40-50cm, Reactive, Contact <0.2s).
  • Continuous Hurdle Hops: 3×4 (Max height/speed).
  • Single-Leg Depth Jumps: 2×3/side (20-30cm, Advanced only).
  • Tennis-Specific:
  • Split Step → 5m Sprint → Plant → Shadow Hit: 4×.
  • Split Step → Lateral Bound → Plant → Shadow Hit: 4/side.
  • Serve Jump → Land → 5m Sprint: 4×.
  • Reactive COD (Light signal): 6×.
  • Focus: Reactive strength, Tennis patterns, Decision + Power.
  • Volume: 40-60 contacts.
  • 4-6 weeks. KPI: Reactive strength ↑, Tennis pattern power ↑, Decision speed ↑.

Giai Đoạn 3: Medicine Ball Power (Sức Mạnh Nổ Medicine Ball)

**Bài tập 6: "Rotational Power Progression - Serve/Groundstroke" (Tiến Trình Sức Mạnh Xoay - Phát/Đánh Đền)"

  • Phase 1 (Kneeling/Seated - Isolation):
  • Kneeling Rotational Throw: 3×5/side (Thoracic rotation, Hip stable).
  • Seated Rotational Throw: 3×5/side (Pure thoracic, No hip).
  • Phase 2 (Standing - Integration):
  • Rotational Shot Put: 3×5/side (Hip drive → Thoracic rotation → Throw).
  • Step-Behind Rotational Throw: 3×5/side (Counter-movement, Separation).
  • Phase 3 (Dynamic - Tennis Pattern):
  • Split Stance Rotational Throw: 3×5/side (Stance-specific).
  • Lateral Bound → Rotational Throw: 3×4/side (COD + Rotation).
  • Serve Pattern: Kneeling → Stand → Overhead Slam: 3×4.
  • Med Ball Weight: 3-5kg (Men), 2-4kg (Women) — Velocity over weight.
  • 8-10 weeks. KPI: Throw distance/velocity ↑, Hip-shoulder separation ↑, Transfer to serve/groundstroke speed.

**Bài tập 7: "Linear & Posterior Chain Power" (Sức Mạnh Nổ Tuyến Tính & Chuỗi Hậu)"

  • Exercises (1x/week, Combined với Rotational):
  • Chest Pass: 3×5 (Partner/Wall, Horizontal power).
  • Scoop Toss: 3×5 (Hip hinge → Throw, Posterior chain).
  • Granny Toss: 3×5 (Between legs, Triple extension).
  • Vertical Toss: 3×5 (Max height, Triple extension).
  • Broad Jump + Chest Pass: 3×4 (Jump → Throw, Combination).
  • Focus: First step power, Sprint acceleration, Vertical force.
  • 6-8 weeks. KPI: Throw distance ↑, Jump distance ↑, Sprint 0-5m time ↓.

Giai Đoạn 4: Olympic Derivatives & Integration (Biến Thể Olympic & Tích Hợp)

**Bài tập 8: "Olympic Lift Derivatives - Triple Extension" (Biến Thể Olympic Lift - Ba Điểm Mở Rộng)"

  • Prerequisite: Technique proficiency (Clean/Snatch variations).
  • Exercises (1x/week, Fresh state, Replace 1 ballistic session):
  • Hang Power Clean: 3×3 @ 60-70% 1RM (Hip power, Catch position).
  • Hang Power Snatch: 3×3 @ 50-60% 1RM (Speed, Overhead stability).
  • DB/1-Arm Variations: 3×4/side (Unilateral, Tennis-specific).
  • Pull Variations Only (Nếu Catch kỹ thuật chưa tốt): Hang Pull, Jump Shrug.
  • Focus: Triple extension (Ankle/Knee/Hip), Rate of force development.
  • Volume: Low (3-5 sets × 2-4 reps), High quality.
  • 6-8 weeks. KPI: Triple extension power ↑, Hip drive velocity ↑, Transfer to serve/jump.

**Bài tập 9: "Power Complex Training - Post-Activation Potentiation" (Huấn Luyện Phức Hợp Sức Mạnh Nổ - Kích Hoạt Sau Kích Hoạt)"

  • PAP Protocol (1x/week, Pre-Comp):
  • Heavy: RFE Split Squat 2×3 @ 85% 1RM.
  • Rest: 4-6min (Full recovery + Potentiation window).
  • Explosive: Lateral Bounds 3×4/side OR Med Ball Rotational 3×4/side.
  • Mechanism: Heavy lift → Motor unit potentiation → Explosive output ↑.
  • Timing: Explosive at 4-8min post-heavy (Optimal window).
  • 4-6 weeks. KPI: Explosive output post-heavy ↑, PAP response individual identified.

**Bài tập 10: "Reactive Power - Decision + Execution" (Sức Mạnh Nổ Phản Xạ - Quyết Định + Thực Thi)"

  • Drills (1x/week, Integrated tennis):
  • Light/Partner Signal → Direction Change → Sprint → Hit.
  • Ball Drop → Reaction → Sprint → Plant → Shadow Hit.
  • Serve Return Simulation: Partner serve → Return → Immediate COD → Next ball.
  • Volley Reaction: Rapid fire volleys → Random direction → Sprint recovery.
  • Focus: Cognitive + Physical coupling, Decision speed, Execution quality.
  • Volume: 8-12 reps quality, Full recovery.
  • 4-6 weeks. KPI: Reaction time ↓, Decision accuracy ↑, Power maintenance under cognitive load.

4. Chỉ Số Hiệu Suất & Liều Lượng Huấn Luyện

Chỉ Số Đang Phát Triển Đạt Chuẩn Nâng Cao Đẳng Cấp (Tennis Power Master)
CMJ Height <40cm / <32cm 40-48 / 32-38 48-55 / 38-45 >55 / >45cm
CMJ Peak Power <40 / <30 W/kg 40-50 / 30-38 50-60 / 38-45 >60 / >45 W/kg
10m Sprint >1.9s / >2.0s 1.8-1.9 / 1.9-2.0 1.7-1.8 / 1.8-1.9 <1.7 / <1.8s
5-0-5 COD >2.5s / >2.6s 2.3-2.5 / 2.4-2.6 2.1-2.3 / 2.2-2.4 <2.1 / <2.2s
SL Hop Distance <2.2m / <1.8m 2.2-2.5 / 1.8-2.1 2.5-2.8 / 2.1-2.4 >2.8 / >2.4m
Med Ball Rot Throw <8m / <6m 8-10 / 6-8 10-12 / 8-10 >12 / >10m
Med Ball Chest Pass <6m / <5m 6-8 / 5-7 8-10 / 7-9 >10 / >9m
Depth Jump RSI <1.5 1.5-2.0 2.0-2.5 >2.5
Ballistic Velocity <1.5 m/s 1.5-2.0 2.0-2.5 >2.5 m/s
PAP Response Negative Neutral Positive Strong Positive
Reactive COD Time >1.0s 0.8-1.0s 0.6-0.8s <0.6s
Power Fatigue Index >20% drop 10-20% 5-10% <5% drop

Liều Lượng Tuần (Theo Giai Đoạn)

Giai Đoạn RFD/Ballistic Plyometrics Med Ball Olympic Derivatives Tennis-Specific
General Prep 1x (Technique) 2x Low (80-100ct) 1x Rotational 0 0
Specific Prep 2x (30-60% 1RM) 2x Mod (60-80ct) 2x Rot + Linear 1x (Technique) 1x Pattern
Pre-Comp 2x (Peak Power) 1-2x High (40-60ct) 1-2x Rot + Reactive 1x (PAP) 2x Reactive
Competition 1x (Micro-dose) 1x Low (Maintenance) 1x (Maintenance) 0 Match = Power
Transition 0-1x (Fun) 1x Low (Fun) 1x (Fun) 0 Fun

5. Lỗi Thường Gặp, Nguyên Nhân & Giao Thức Khắc Phục

Lỗi Quan Sát Nguyên Nhân Gốc Giao Thức Khắc Phục
"Train Power như Strength (Heavy, Slow, Volume cao)" Không hiểu Force-Velocity, Ego load Power = Light load, MAX VELOCITY; "30-60% 1RM — 3-5 reps — 3-5min nghỉ — Intent MAX"
"Plyometrics volume quá cao (CrossFit style)" "Nhiều hơn = Tốt hơn", Không hiểu neural cost Plyo = Low volume, High quality; "Contacts/session: Low 100, Mod 80, High 40"
"Med ball quá nặng (Ném chậm, Không transfer)" Weight ego, Không hiểu speed transfer Med ball = Speed tool; "2-5kg — Velocity > Weight — Ném XA, Không ném NẶNG"
"Không rest đủ giữa sets (Chất lượng xuống)" Không hiểu neural recovery, Vội Rest = 2-5min cho Power; "Thần kinh cần hồi phục — Không phải tim mạch"
"Depth jump quá cao quá sớm (Chấn thương)" Progression skip, Ego height Plyo progression: Low → Mod → High; "Depth jump 20cm → 60cm trong 12-16 tuần"
"Olympic lifts technique kém (Catch kém, Đau vai)" Technique rush, Load trước Skill Skill first; "Pull variations only nếu Catch kém — Technique > Load"
"Power training khi mỏi (RFD xuống, Chấn thương)" Không monitor readiness, Schedule cứng Readiness check; "Mỏi = Không Power — Chỉ Mobility/Recovery — Auto-regulate"
"Power không transfer sang tennis (Sân chậm)" Patterns không tennis-specific, Isolated Tennis-specific patterns; "Split step → Sprint → Hit — Mọi power = Pattern tennis"

6. Sơ Đồ Chẩn Đoán & Ra Quyết Định

Với Strength (Bài 133): Max Strength = Ceiling cho Power. Strength ↑ → Power potential ↑.

V với Speed/Agility (Bài 135): Power = Engine cho Acceleration/Deceleration. RFD = First step, COD.

Với Technical (Bài 081-119): Power = Racquet head speed, Serve velocity, Ball speed. Transfer = Pattern similarity.

V với Periodization (Bài 130): Power mesocycles = Aligned với Tennis mesocycles. Volume ↓, Intensity ↑, Specificity ↑.

V với Monitoring (Bài 197, 198): CMJ, Sprint, Med Ball, RSI = Power KPIs. Daily/Weekly tracking.

Với Recovery (Bài 195, 196): Power = High neural cost. Sleep, Nutrition, HRV critical for adaptation.

V với Video Analysis (Bài 128): Power metrics = Video measurable. Racquet speed, Ball speed, Jump height.

7. Video Minh Họa & Phân Tích Kỹ Thuật

Video: The Jamming Ball: Spinal Disruption Strategy (Tennis Tactics).

8. Ứng Dụng Liên Ngành & Phối Hợp Đa Trụ Cột

Điểm Kiểm Mức 1 (Strength Only) Mức 2 (Basic Power) Mức 3 (Integrated Power) Mức 4 (Tennis Power Master)
CMJ Height/Power Low Moderate Good Elite
10m Sprint Slow Average Fast Explosive
5-0-5 COD Slow Average Fast Lightning
Med Ball Rotational Short Moderate Good Cannon
Ballistic Velocity Slow Moderate Fast Max Intent
Plyometric Quality Poor Basic Good Reactive Elite
Tennis Pattern Power None Partial Good Full Transfer
PAP Utilization None Occasional Good Individualized
Reactive Power None Basic Good Decision + Execution
Fatigue Resistance High drop Moderate Low drop Minimal Drop
Peaking Precision Missed Basic Good Peak Perfect
Injury Management Reactive Basic Proactive Predictive

Chấm điểm: 12-24 = Power audit fail. 25-35 = Basic. 36-46 = Integrated. 47-60 = Master.

9. Bảng Tự Đánh Giá (Rubric Đa Cấp Độ)

MỤC TIÊU TUẦN (Pre-Comp): Ballistic 2x (Peak power), Plyo 1-2x High/Reactive, Med Ball 1-2x Rot/Reactive, PAP 1x, Tennis Reactive 2x, Rest 3-5min, Intent MAX, Fatigue <5%.

Phiên Power A (Lower) Phiên Power B (Upper/Rotational)
Mobility/Activation 10' Mobility/Activation 10'
Trap Bar Jump Squat 4×3 @ 40% Med Ball Rot Shot Put 4×4/side
Depth Jump 3×3 (40cm) Step-Behind Rot Throw 4×4/side
Lateral Bounds 3×4/side Kneeling Rot Throw 3×5/side
Split Squat Jumps 3×5/side 1-Arm Rot Throw 3×5/side
PAP: RFE SS 2×3@85% → Bounds PAP: Bench 2×3@85% → MB Chest Pass
Core: Dead Bug 2×10 Core: Side Plank 2×30s/side

Intent Check (Mọi Rep): "Cao nhất? Xa nhất? Nhanh nhất?" — Không phải "Xong bao nhiêu rep?"

Cổng: 3 tuần liên tiếp CMJ ↑, Sprint ↑, Med Ball ↑, RSI ↑, Tennis pattern power ↑, Fatigue <5%, No injury.

Tham chiếu chéo: Bài 133, 135, 136, 130, 197, 198, 128, 195, 196. Trụ V: Thể Chất & Phục Hồi — TennisKB 200 Bài.

← Trước  |  🏠 Trang chủ  |  Sau →