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Muscles Acting on the Scapula and Shoulder
N/A
18
Anatomy
Undergraduate 1
10/29/2013

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Cards

Term
Pectoralis minor - Origin
Definition
Ribs 3-5 and overlying fascia
Term
Pectoralis minor - Insertion
Definition
Coracoid process of scapula
Term
Pectoralis minor - Action
Definition
Rotate, draw scapula laterally and forward; Depress shoulder
Term
Serratus anterior - Origin
Definition
Ribs
Term
Serratus anterior - Insertion
Definition
Medial border of scapula
Term
Serratus anterior - Action
Definition
Rotate, draw scapula laterally and forward; Elevate shoulder
Term
Trapezius - Origin
Definition
External occipital protuberance, medial superior nuchal line of occipital; Spinous processes of C7 - T12
Term
Trapezius - Insertion
Definition
Acromion, spine of scapula; Lateral clavicle
Term
Trapezius - Action
Definition
Elevate shoulder; Depress shoulder; Extend, laterally flex neck
Term
Levator scapulae - Origin
Definition
Transverse processes of C1 - C4
Term
Levator scapulae - Insertion
Definition
Superior angle, medial border of scapula
Term
Levator scapulae - Action
Definition
Elevate scapula; Laterally flex neck; Retract, rotate scapula; Stabilize, depress shoulder
Term
Rhomboideus minor - Origin
Definition
Spinous processes of C7 - T1
Term
Rhomboideus minor - Insertion
Definition
Medial border of scapula
Term
Rhomboideus minor - Action
Definition
Retract scapula; Stabilize shoulder
Term
Rhomboideus major - Origin
Definition
Spinous processes of T2 - T5
Term
Rhomboideus major - Insertion
Definition
Medial border of scapula
Term
Rhomboideus major - Action
Definition
Retract scapula; Stabilize shoulder
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