Term
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Definition
O= clavicle and sternum
I= lateral to the intertubercular groove on the humerus
A= adducts and medially rotates humerus
Inn= medial and lateral pectoral nerve |
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Term
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Definition
O= ribs 3-5
I= Coracoid process on scapula
A= protracts and depresses scapula
Inn= medial and lateral pectoral nerve |
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Term
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Definition
O=
Anterior fibers- lateral clavicle
Middle fibers- acromion process
Posterior fibers- scapular spine
I= deltoid tuberosity of humerus
A= flex and medially rotate, abduct, extend and laterally rotate
Inn= Axillary nerve |
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Term
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Definition
O=
spines of C7-T12
Nuchal ligament of C1-C6
External occipital protuberance
I=
Superior fibers- later clavicle
Middle fibers- acromion and spine of scapula
Inferior fibers- scapular spine
A= stabilize, elevate, rotate , adduct or depress the scapula
Inn= Spinal accessory nerve aka Cranial Nerve XI |
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Term
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Definition
O= lumbosacral fascia and spinous processes of T 7-12
I= near the bicipital groove of the humerus
A= extends, adducts and medially rotates arm
Inn= thoracodorsal nerve |
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Term
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Definition
O= spinous process of T2-5
I= medial border of scapula
A= elevates, retracts and fixes the scapula
Inn= dorsal scapular nerve |
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Term
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Definition
O= nuchal ligament and spinous processes of C7-T1
I= medial border of the scapula below scapular spine
A= elevates, retracts and fixes the scapula
Inn= dorsal scapular nerve |
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Term
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Definition
O= transverse processes of C1-4
I= superior angle of the medial border of the scapula
A= elevates/ adducts scapula with superior fibers of trapezius; tilts glenoid cavity downward when scapula is fixed, flexes neck to the same side
Inn= cervical spinal nerves and dorsal scapular nerve |
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Term
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Definition
O= supraspinatus fossa
I= greater tubercle
A= abducts the arm at the shoulder (first 15 degrees)
Inn= suprascapular nerve
One of the rotator cuff muscles |
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Term
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Definition
O= infraspinatus fossa
I= greater tubercle of the humerus
A= externally rotates the arm at the shoulder
Inn= suprascapular nerve
One of the rotator cuff muscles |
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Term
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Definition
O= transverse processes of C1-4
I= superior angle of the medial border of the scapula
A= elevates, downward rotates and fixes the scapula
Inn= dorsal scapular nerve |
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Term
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Definition
O= Subscapular fossa of scapula
I= lesser tubercle of humerus
Action: chief medial rotator of humerus. Helps to hold the head of the humerus in the glenoid cavity
Inn=Subscapular nerves (C5-C7)
One of the rotator cuff muscles |
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Term
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Definition
O= lateral border of scapula
I= lesser tubercle of the humerus
A= adducts, extends and medially rotates the humerus
Inn= lower subscapular nerve |
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Term
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Definition
O= ribs 1-8
I= medial border of ventral surface of scapula
A= protracts and abducts scapula
Inn= long thoracic nerve |
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Term
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Definition
O= Coracoid process of scapula
I= anterior surface of humerus
A= flexes and adducts the arm at the shoulder
Inn= Musculocutaneous nerve |
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Term
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Definition
O= long head: supraglenoid tubercle
= short head: coracoid process of scapula
I= long head and short head: radius
A= flexes arm at shoulder and supinates the forearm and assists in flexion of elbow
Inn= Musculocutaneous nerve |
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Term
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Definition
O= shaft of humerus
I= ulna
A= flexes the elbow
Inn= Musculocutaneous |
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Term
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Definition
O= infraglenoid tubercle (long head) of scapula and posterior shaft of humerus
I= Olecranon process of ulna
A= extends the arm at the elbow
Inn= radial nerve |
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