Concept explainers
To review:
Match the term supinator with the most closely related description given below:
Abducts the toes
Flexes hip and/or lumbar spine
Adduct (retract) scapula
Connective tissue bands
Plantar flexion at ankle
Originates on ilium
Flexes elbow
Dorsiflexes ankle and inverts foot
Lateral rotation of humerus at shoulder
Supinates forearm
Extends, adducts, medially rotates humerus at shoulder
Introduction:
Supinator and pronator are the muscles that act at the elbow and help in the movement of the forearm. The lateral epicondyle, which is located in the humerus, is the site of supinator origin. They ridge near the ulna’s radial notch.
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