Effective moment arms (MA) of the forces acting upon the tibial and femoral segments that arise due to quadriceps tension; A) tibial segment; B) femoral segment; and C) combined effect on the knee.

Effective moment arms (MA) of the forces acting upon the tibial and femoral segments that arise due to quadriceps tension; A) tibial segment; B) femoral segment; and C) combined effect on the knee.