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health.knee-quadriceps-force Calculator
Calculates quadriceps muscle force and knee joint reaction force during seated leg extension from external resistance and joint geometry. Patellofemoral joint stress during knee extension is 3.3× body weight at 45° flexion — the basis for post-surgical rehabilitation angle restrictions.
Inputs
Body Weight N
Body or object weight. For health calculators, usually in kg or lbs.
Knee Angle Deg
Reference formula or conversion factor shown for context.
Moment Arm Patellar Cm
Reference formula or conversion factor shown for context.
Results
quadriceps force Fq (N)
Earnings per share — net income divided by shares outstanding. Rising EPS is positive if driven by real earnings growth, not just share buybacks reducing the denominator.