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19 Cards in this Set
- Front
- Back
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Deltoideus m., lateral m. of scapula/shoulder
O: spine of scapula via aponeurosis (scapular part) acromion (acromial part) I: deltoid tuberosity of the humerus N: axillary n. A: flex the shoulder jt. |
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Infraspinatus m., lateral m. of scapula & shoulder
O: Infraspinous fossa of scapula I: circumscribed area on lateral side of greater tubercle of humerus N: suprascapular n. A: extend OR flex shoulder jt. (depends on limb position); laterally stabilize and abduct the shoulder jt. |
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Subtendinous synovial bursa
=
Bursa of infraspinatus m. |
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Teres minor m., lateral m. of scapula & shoulder
O: Infraglenoid tubercle & distal third of caudal border of the scapula I: Teres minor tuberosity of the humerus N: axillary n. A: flex shoulder joint, rotate shoulder laterally, prevent medial rotation when bearing weight |
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Supraspinatus m., lateral m. of scapula & shoulder
O: supraspinous fossa of scapula I: greater tubercle of the humerus N: suprascapular n. A: extend and stabilize the shoulder joint |
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Subscapularis m., medial m. of scapula & shoulder
O: subscapular fossa of scapula I: lesser tubercle of humerus N: subscapular n. & axillary n. (small caudal bit) A: adduct/extend/medially stabilize shoulder jt. (subscapular n. part) flex shoulder jt (axillary n. part) rotate shoulder medially |
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Teres major m., medial m. of scapula & shoulder
O: caudal angle & border of scapula; caudal surface of subscapularis m. I: teres major tuberosity of humerus N: axillary n. A: flex shoulder jt. rotate shoulder medially
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Coracobrachialis m., medial m. of scapula & shoulder
O: Coracoid process of scapula I: crest of lesser tubercle of humerus N: Musculocutaneous n. A: adduct, extend and stabilize shoulder jt. |
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What are the 4 shoulder stabilizers? |
-Infraspinatous -Supraspinatous -Corocobrachialis -Subscapularis |
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Tensor fasciae antebrachii m., caudal m. of brachium
O: fascia covering lateral side of latissimus dorsi I: Olecranon N: Radial n. A: extend the elbow
cat: wider, covers more medial surface of triceps brachii m. |
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Triceps brachii m. (long & medial heads) caudal m. of brachium
O: caudal border of scapula (long) crest of lesser tubercle of humerus near teres major tuberosity (medial) I: Olecranon N: Radial A: flex shoulder jt, extend elbow (long) extend elbow (medial) |
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Triceps brachii m. (lateral and accessory heads) caudal m. of brachium
O: tricipital line of humerus (lateral) neck of humerus (accessory) I: Olecranon N: Radial n. A: extend the elbow |
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Anoconeus m., caudal m. of brachium
O: lateral supracondylar crest of humerus + lateral and medial epicondyles of humerus I: lateral surface of proximal end of ulna N: radial n. A: extend the elbow |
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Epitrocheoanconeus m. (CAT), caudal m. of brachium
located medially near supracondylar foramen |
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Biceps brachii m., cranial muscles of brachium
O: supraglenoid tubercle of scapula I: ulnar & radial tuberosities (dog) radial tuberosity only (cat) N: musculocutaneous n. A: extend shoulder jt. flex the elbow (crosses 2 jts!) |
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Transverse (humeral) retinaculum (ligament)
located medially between greater and lesser tubercles of the humerus
*keeps biceps brachii tendon in the intertubercular (bicipital) groove |
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Intertubercular (bicipital) bursa = intertubercular synovial sheath
*not a true bursa; extension of shoulder jt. capsule |
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Brachialis m., cranial m. of brachium
O: proximal third of lateral surface of humerus I: ulnar & radial tuberosities (dog) ulnar tuberosity (cat) N: Musculocutaneous n. A: Flex the elbow |
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Musculcutaneous n. innervates.... |
Biceps brachii m. Brachialis m. Coracobrachialis m.
= BBC |
