Concept explainers
To review:
Match the term brachialis 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:
The connective tissues divide the arm into the flexor or anterior compartment and extensor or posterior compartment. In the anterior compartment, the coracobrachialis, brachialis, and biceps brachii muscles are present, while the only muscle in the posterior compartment is the triceps brachii.
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