Quizlet Comparative Anatomy - Cat - Muscles - Upper Arm - Lateral

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  1. Ariconeus: Origin - Distal end of humerus. Insertion - Olecranon process of ulna. Action - Tensor of elbow joint caps.
  2. Brachialis: Origin - Lateral surface of humerus. Insertion - Proximal end of ulna. Action - Flexes forearm.
  3. Triceps Branchii: Origin - Scapula and shaft of humerus. Insertion - Olecranon process of ulna. Action - Extends forearm.