Hinge joints allow flexion and extension only ... This occurs at the shoulder joint during an overarm tennis serve or cricket bowl. Rotation – this is where the limb turns round its long ...

Background Stiff landings with less knee flexion and high vertical ground reaction force have shown to be associated with increased risk of ACL injuries (Leppänen et al. 2016). The association between ...

Flexion – bending a joint ... This occurs at the shoulder joint during an overarm tennis serve. Rotation – this is where the limb moves in a circular movement around a fixed joint towards ...

Flexion is being able to bend your knee, with your heel moving toward your buttocks, and extension is being able to straighten the knee. These are routinely limited before surgery but are ...