Full knee extension should be no more than 10 degrees.

It involves a person with their back against the wall, pushing into it using the action of knee extension.

This increase in knee extension will cause a stair climbing movement.

The degree of knee extension (the angle between the thigh and shank in a walking cycle) has decreased.

Using a Universal weight-training machine, they had the subjects do knee extensions for eight weeks.

The next step is a 12-week study with a larger group in which knee flexion exercises will be added to knee extensions.

All three actions contribute force to the upward jump but the knee joint extension is the major contributor.

The primary functional role of the patella is knee extension.

He also sees large numbers of knee problems, mainly from people doing knee extensions incorrectly.

The vasti muscles appear to act largely in a co-ordinated manner throughout the control of knee extension.