Scapula Muscles and Motion | Baamboozle - Baamboozle

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What are the five muscles that only act on the scapula or clavicle but NOT the humerus?

Pectoralis Minor, Trapezius, Rhomboid, Levator Scapula, Serratus Anterior

The origin of this muscle is on C7 spinous process and T1 vertebrae

Rhomboid Minor

What is the action of the Subclavius Muscle?

Stabilization of the SC joint, depression, abduction

Which Muscle has fibers that both elevate and depress the scapula?

Trapezius

The innervation of the Rhomboid Minor and Rhomboid Major

Dorsal Scapular nerve

What is the innervation of the Trapezius Muscle?

Spinal accessory nerve and branches of C3, C4

This muscle MAIN action is only to elevate the scapula at the medial margin

Levator Scapulae

What is the action of the serratus anterior muscle?

ABDuction and upward rotation

What is the action of the Pectoralis Minor Muscle?

Abduction, Downward Rotation, Depression

Which muscle does the Medial Pectoral Nerve innervate?

Pectoralis Minor