KINE 2031 Lecture Notes - Lecture 2: Latissimus Dorsi Muscle, Trapezius Muscle, Humerus
15 Jan 2016
School
Department
Course
Professor
Document Summary
O (origin: proximal attachment of a muscle, closer to midline of body. I (insertion: distal attachment of a muscle, further away from midline of body, the function / action of the muscle at the joint(s) / articulation(s) it is. Lab 2: upper body torso + shoulder girdle. Chest musculature: xiphihumeralis (blue, pectoralis minor (yellow, pectoralis major (green, pectoantebrachialis (red) Xiphihumeralis: chest muscle, ventral side, superficial muscle, under the arm pit, it is not found in human / other animals. Pectoralis minor: origin: outer surface of ribs (2 / 3-5, insertion: coracoid process of scapula, function: abduction (toward. Pectoralis major: origin: clavicle (head & medial portion), costal cartilage of ribs 1-6, insertion: greater tubercle & bicipital groove of humerus. ) & medial (toward: function: shoulder flexion, adduction. Rotation of humerus, horizontal flexion of arm: attached to the shoulder, greater than pectoralis minor muscle, deep + superficial muscle. Pectoantebrachialis: it is not found in humans.
