2D Skeletal Lever & Force Vector Model
p5.js Interactive EnginePeak Torque
-- Nm
Ground Reaction (GRF)
-- N
Peak Power
-- W
Est. 100m Sprint
-- s
Cardio-Respiratory Oxygen Dynamics
Aerobic PerformanceO2 Carrying Capacity
-- ml/L
Max Cardiac Output
-- L/min
Absolute VO2 Max
-- L/min
Relative VO2 Max
-- ml/kg/min
Physiological & Anatomical Parameters
Adjust sliders to observe immediate biomechanical & kinetic shiftsMusculoskeletal Parameters
Cardiorespiratory Parameters
Calibrated Baseline Reference Matrix
| Baseline Cohort | Muscle CSA (cm²) | Hemoglobin (g/dL) | Stroke Vol (mL) | Est. GRF (N) | VO2 Max (ml/kg/min) |
|---|---|---|---|---|---|
| Male Elite (Sprinter/Mid-Dist) | 100.0 | 15.2 | 160 | 2,450 N | 71.7 ml/kg/min |
| Female Elite (Sprinter/Mid-Dist) | 72.0 | 13.4 | 125 | 1,764 N | 61.2 ml/kg/min |
| Sub-Elite / Amateur Average | 65.0 | 14.0 | 105 | 1,592 N | 49.0 ml/kg/min |
Sports Science Governing Equations:
• Muscle Force (F_m) = CSA (cm²) × Specific Tension (30 N/cm²)
• Knee Joint Torque (τ) = F_m × Moment Arm (r_ins)
• Ground Reaction Force (GRF) = τ / (Femur Length × sin(knee_angle))
• Oxygen Transport Capacity (CaO2) = Hb × 1.34 × 0.98 + (PaO2 × 0.0031) ≈ [Hb × 1.34 × 0.98] (ml O2/L)
• Absolute VO2 Max = Cardiac Output (Q_max = SV × HR) × (CaO2 - CvO2)
• Muscle Force (F_m) = CSA (cm²) × Specific Tension (30 N/cm²)
• Knee Joint Torque (τ) = F_m × Moment Arm (r_ins)
• Ground Reaction Force (GRF) = τ / (Femur Length × sin(knee_angle))
• Oxygen Transport Capacity (CaO2) = Hb × 1.34 × 0.98 + (PaO2 × 0.0031) ≈ [Hb × 1.34 × 0.98] (ml O2/L)
• Absolute VO2 Max = Cardiac Output (Q_max = SV × HR) × (CaO2 - CvO2)