If you’re ever unsure, keep this simple maxim in mind: flexion is forward and extension is backward. The exceptions to that rule are exercises that involve bending the knee (e.g., hamstring curl).

Each patient achieved full extension. There was one recurrence, despite bracing, which was managed with replacement of the fixator and soft tissue procedures. Management of knee flexion ...

knee extension/hip abduction). All exercises were performed at a position of 60° knee flexion. Three trials lasting 5 s each were performed for each of the three exercises. EMG data from each muscle ...

Hinge joints allow flexion and extension only. Flexion – bending a joint. This occurs when the angle of a joint decreases. For example, the elbow flexes when performing a biceps curl. The knee ...

Allows bending (flexion) and straightening (extension). Muscles which move the knee are quadriceps and hamstrings. Ball and socket joint. Articulating bones are humerus and scapula (the clavicle ...

Symptoms occurred during athletic activities, prolonged ambulation, and with extremes of knee flexion/extension. Severe pain occasionally resulted in a noticeable limp. There was no history of ...

The kinematic analysis of stretch-related injuries revealed a change of movement involving knee flexion to knee extension and a knee angle of <45° at the assumed injury frame in all open and closed ...