Muscles of Scapula and Clavicle

Question 1

Rhomboideus Major Muscle (LOIF)

Answer 1

Deep
Spinous Processes of T2-T5
Medial Margin of scapula from spine and inferior angle
Adduction, downward rotation, stabilize Scapula
Dorsal Scapular Nerve

Question 2

Rhomboideus Minor Muscle (LOIF)

Answer 2

Deep
Spinous Processes of C7 -T1
Medial Border, at level of spine
adduction, downward rotation, stabilization of scapula
Dorsal Scapular Nerve

Question 3

Levator Scapula (LOIF)

Answer 3

Deep
C1-C4
Superior angle of Scapula
Elevates scapula, lateral flexion, Stabilize scapula
C3-C4 and Dorsal Scapular Nerve

Question 4

Trapezius (LOIF)

Answer 4

Superficial
C7-T12
Lateral half of clavicle, Acromion and spine of scapula
Upward rotation, assists elevation, Adduction, extension of head, Stabilize
Accessory Nerve

Question 5

Serratus Anterior (LOIF)

Answer 5

Deep
first 8-9 ribs just anterior to mid-axillary line
Medial side superior to inferior angles,
abduction, extension, stabilize
Long Thoracic Nerve

Question 6

Pectoralis Minor (LOIF)

Answer 6

Deep
anterior side of ribs 3-5
medial borders of the Corocoid Process
abduction downwad rotation, stabilize
Lateral and Medial Pectoral Nerves

Question 7

Subclavius (LOIF)

Answer 7

Deep
Superior surface of First Rib
Groove on inferior surface (middle of clavicle)
Nerve to Subclavius