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| ====Muscles of the Elbow==== | | ====Muscles of the Elbow==== |
| ''Extensors'': Radial n. from the brachial plexus | | ''Extensors'': Radial n. from the brachial plexus |
− | *'''Triceps brachii''': Three heads, four in the dog | + | *'''Triceps brachii''': Has four heads in the dog |
| **Long head: caudal margin of the scapula | | **Long head: caudal margin of the scapula |
| **Lateral, medial, and accessory heads: shaft of the humerus | | **Lateral, medial, and accessory heads: shaft of the humerus |
| **Insertion: olecranon, proteced by tricipital bursa against the bone and subcutaneous bursa against the skin | | **Insertion: olecranon, proteced by tricipital bursa against the bone and subcutaneous bursa against the skin |
| *'''Tensor fasciae antebrachii''' | | *'''Tensor fasciae antebrachii''' |
− | **Overlies triceps extending from scapula to olecranon
| + | **Origin: tendon and lateral surface of the latissimus dorsi |
− | *'''Anconeus'''
| + | |
− | **Origin: distal humerus | |
− | **Insertion: lateral olecranon
| |
| | | |
| ''Flexors'': Musculocutaneous n. from the brachial plexus | | ''Flexors'': Musculocutaneous n. from the brachial plexus |
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| *'''Brachialis''' | | *'''Brachialis''' |
| **Origin: proximocaudal humerus | | **Origin: proximocaudal humerus |
− | **Insertion: spirals to insert next to biceps | + | **Insertion: spirals to insert just proximal to biceps |
| | | |
| ====Muscles of Supination and Pronation ==== | | ====Muscles of Supination and Pronation ==== |