Anatomy Quiz2 Word Scramble
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Term | Definition |
Pectoralis Major - Proximal Attachment | clavicular head: anterior surface of medial half of clavicle sternocostal head: anterior surface of sternum, superior 6 costal cartilages, & aponeurosis of the external oblique |
Pectoralis Major - Distal Attachment | lateral lip of the Intertubercular sulcus of the humerus |
Pectoralis Major - Innervation | lateral and medial pectoral nerves; clavicular head C5, C6; sternocostal head C7, C8, T1 |
Pectoralis Major - Main Action | adducts and medially rotates humerus: draws scapula anteriorly and inferiorly; clavicular head flexes humerus & sternocostal head extends humerus |
Pectoralis Minor - Proximal Attachment | 3rd - 5th ribs near their costal cartilages |
Pectoralis Minor - Distal Attachment | medial border and superior surface of the coracoid process of the scapula |
Pectoralis Minor - Innervation | medial pectoral nerve C8, T1 |
Pectoralis Minor - Main Action | stabilizes scapula by drawing it anteriorly and inferiorly to the thoracic wall |
Subclavius - Proximal Attachment | junction of the 1st rib and its costal cartilage |
Subclavius - Distal Attachment | inferior surface of the clavicle |
Subclavius - Innervation | nerve to the subclavius C5, C6 |
Subclavius - Main Action | anchors and depresses clavicle |
Serratus Anterior - Proximal Attachment | external surface of the 1st - 8th ribs |
Serratus Anterior - Distal Attachment | medial boarder of the scapula |
Serratus Anterior - Innervation | long thoracic nerve C5, C6 ,C7 |
Serratus Anterior - Main Action | rotates and protracts scapula and holds it against the thoracic wall |
Trapezius - Proximal Attachment | medial third of superior nuchal line; external occipital protuberance; nuchal ligament; spinous processes of C7- T12 vertebra |
Trapezius - Distal Attachment | lateral third of clavicle; acromion and spine of scapula |
Trapezius - Innervation | Spinal accessory nerve and spinal nerves C3, C4 |
Trapezius - Muscle Action | elevates, depresses, and middle part retracts scapula; rotate glenoid cavity superiorly |
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MandaRod
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