bone block

bone block

surgical procedure in which a bone graft is placed adjacent to a joint to limit motion of the joint mechanically or to improve the stability of the joint, for example, at the ankle joint to correct foot-drop by preventing plantarflexion past 0°, but allowing dorsiflexion beyond 0°, for example, at the glenohumeral joint to prevent posterior instability.

bone block

n. A surgical procedure in which the bone next to the joint is modified to limit the motion of the joint.

bone block

(bōn blok) A surgical procedure in which the bone adjacent to the joint is modified to limit the motion of the joint mechanically.