37650308
Description
Flashcards by Sydney Oothoudt, updated more than 1 year ago
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Created by Sydney Oothoudt
over 1 year ago
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| Question | Answer |
| Nuchal Ligament | O: base of skull I: C7, T1 - creates attachment sites for muscles |
| O: Occipital protuberance, nuchal ligament, medial 1/3 superior nuchal line, spinous processes C7-T12 I: lateral 1/3 of clavicle, acromion, spine of scapula A: elevate (s), retract (m), depress (i) scapula Innervation: Cranial nerve 11, C3, C4 | |
| o: spinous processes of T7-T12, thoracolumbar fascia, iliac crest, ribs 9-12 I: floor of intertubercular groove of humerus A: extension, abduction, IR of humerus Innervation: C5, C6, - C8 | |
| O: posterior tubercles of transverse processes of C1-C4 I: medial superior border of scapula A: Elevates and rotates scapula Innervation: dorsal scapular N (C5) | |
| O: Spinous processes of T2-T5 I: medial border of the scapula A: retract scapula Innervation: dorsal scapular n (C5) | |
| O: Nuchal ligament I: medial border of the scapula A: retract scapula Innervation: dorsal scapular n (C5) | |
| O: clavicular head - medial 1/2 of clavicle sternocostal head - sternum, costal cartilages 1-6, aponeurosis of external oblique I: lateral lip of intertubercular groove A: ADD, IR clavicular head - flextion sternocostal head - extension from flex Innervation: C6, C7, C8 - C5, T1 | |
| O: ribs 3-5 at costochondral joints I: coracoid process A: Stabilizes scapula (holds it against thoracic wall) Innervation: medial pectoral n (C8, T1) | |
| O: External surfaces of the lateral parts of ribs 1-8 I: anterior medial border of scapula A: protracts scapula, holds it against the thoracic wall Innervation: Long Thoracic (C5, C6, C7) | |
| O: junction of 1st rib and costal cartilage I: inferior middle 1/3 of clavicle A: anchors and depresses clavicle (helps stabilize SC joint) Innervation: Nerve to subclavius (C5 -C6) | |
| O: supraspinous fossa I: superior facet of greater tubercle of humerus A: ABD, stabilizes GHJ Innervation: suprascapular n (C5 - C6) | |
| O: infraspinous fossa I: middle facet of greater tubercle of humerus A: ER, stabilize the GHJ Innervation: Suprascapular n (C5 - C6) | |
| O: middle lateral boarder of scapula I: inferior facet of greater tubercle of humerus A: ER, stabilizes GHJ Innervation: Axillary n (C5 - C6) | |
| O: subscapular fossa I: lesser tubercle of humerus A: IR, stabilizes GHJ Innervation: upper and lower subscapular nn (C6 - C5,C7) | |
| Coracoacromial Ligament | |
| O: posterior surface of Inferior angle of scapula I: medial lip of intertubercular groove A: ADD, IR Innervation: lower subscapular n (C6 - C5) | |
| O: lateral 1/3 of clavicle, the acromion, spine of the scapula I: deltoid tuberosity A: anterior - flexion, IR. Middle - ABD. Posterior - extends and ER Innervation: Axillary n (C5 - C6) | |
| O/I: from first rib and costal cartilage to medial clavicle, inferior margin A: reinforces the joint laterally | |
| O: Long head - supraglenoid tubercle. Short head - coracoid process I: radial tuberosity, bicipital aponeurosis A: supinates forearm, flexion of the forearm (from supine) Innervation: musculocutaneous (C6 - C5, C7) | |
| O: distal half of anterior surface of humerus I: coronoid process of ulna and ulnar tuberosity A: flexes forearm (from all positions) Innervation: musculocutaneous n (C5, C6) | |
| O: coracoid process I: middle 1/3 medial aspect of humerus A: ADD, helps flexion Innervation: Musculocutaneous (C6 - C5, C7) | |
| O: Lateral head - posterior surface of humerus. Long head - infraglenoid tubercle I: olecranon A: chief extensor of forearm, long head stabilizes GHJ Innervation: radial n (C7, C8 - C6) | |
| O: later epicondyle of humerus I: lateral surface of olecranon and superior posterior ulna A: assists with extension, stabilizes elbow joint Innervation: radial n (C7, C8, T1) | |
| Superior boundary: shoulder joint capsul Inferior boundary: upper border of teres major m Medial boundary: Long head of triceps brachii m. Lateral boundary: surgical neck of humerus | |
| Medial border: long head of triceps brachii m. Lateral border: Lateral head of triceps brachii m Superior border: inferior border of teres major m. |
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