scapulohumeral reflex

(redirected from scapuloperiosteal reflex)

scap·u·lo·hu·mer·al re·flex

contraction of muscles of the shoulder girdle and arm caused by tapping the lower part of the unilateral border of the scapula; the muscles that respond vary according to their degree of stretching at the time.

scapulohumeral reflex

A reflex in which the upper arm is adducted and rotated outward when the vertebral border of the scapula is percussed.
See also: reflex