The hip complex consists of several muscles responsible for hip flexion, extension and rotation ... maintain the bend in your ...

One works on hamstring curls in the seated position, and the other works while lying prone ... hip extension. The hamstrings are also responsible for flexion, or bending, of the knee.

Assessment of Risk Factors The following biomechanical variables were analysed: 1) peak knee extension moment, 2) peak hip flexion angle, 3) peak hip extension moment, and 4) peak ankle dorsiflexion ...