Laterally rotates and adducts humerus stabilizes shoulder joint Flexes arm

Laterally rotates and adducts humerus stabilizes

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Laterally rotates and adducts humerus, stabilizes shoulder joint Flexes arm, flexes forearm, supi- nates forearm Flexes proximal and middle phalanges, flexes wrist
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Opposes thumb Abducts fifth digit Flexes fifth digit Opposes fifth digit Extends and abducts wrist Extends and abducts wrist Extends and adducts wrist Extends phalanges, extends hand Abducts thumb Extends thumb Action Flexes thigh and lumbar vertebrae Flexes and medially rotates leg Adducts and flexes thigh Adducts, thigh Adducts, flexes, and medially rotates thigh Flexes thigh, extends leg Extends leg Extends leg Flexes and laterally rotates thigh, flexes knee Adducts, flexes, extends, and medially rotates thigh
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Extends leg Extends and abducts thigh Abducts and medially rotates thigh Abducts and medially rotates thigh Extends thigh, flexes knee Extends thigh, flexes knee Extends thigh, flexes knee Action Flexes leg, plantar flexes foot Plantar flexes foot Flexes leg, plantar flexes foot Flexes leg Plantar flexes and inverts foot Flexes toes, plantar flexes and inverts foot Flexes hallux, inverts foot Dorsiflexes and inverts foot Extends toes, dorsiflexes foot Extends hallux, dorsiflexes foot Plantar flexes and everts foot Plantar flexes and everts foot Dorsiflexes and everts foot Flexes and medially rotates thigh, extends and laterally rotates knee
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Neck Attachment Point 1 (Origin) Attachment Point 2 (Insertion) Action Levator scapulae C1–4 Upper vertebral border of scapula Elevates scapula, abducts and rotates neck Deep Muscles of the Back Attachment Point 1 (Origin) Attachment Point 2 (Insertion) Action 8 Rhomboid major Spines of T2–5 Medial border of scapula Adducts scapula 9 Rhomboid minor Nuchal ligament, spines C7–T1 Medial border of scapula Adducts scapula Attachment Point 1 (Origin) Attachment Point 2 (Insertion) Action 10 Trapezius (Trapezium) 11 Deltoid Clavicle, acromion, spine of scapula Deltoid tuberosity of the humerus 12 Pectoralis major Clavicle, sternum, cartilages of ribs 1–7 Crest of greater tubercle of humerus Flexes, adducts, and medially rotates humerus 13 Pectoralis minor Ribs 3–5 Coracoid process of scapula Depresses glenoid cavity 14 Latissimus dorsi T7–12, L1–5, crest of ilium, ribs 10–12 Intertubercular sulcus of humerus Deep Muscles of the Shoulder Attachment Point 1 (Origin) Attachment Point 2 (Insertion) Action 15 Supraspinatus Supraspinous fossa Greater tubercle of humerus Abducts arm, helps stabilize shoulder joint 16 Infraspinatus Infraspinous fossa Greater tubercle of humerus Laterally rotates arm, stabilizes shoulder joint Subscapularis Subscapular fossa Lesser tubercle of humerus Medially rotates arm, stabilizes shoulder joint Teres minor Lateral border of scapula Greater tubercle of humerus 17 Teres major Inferior angle of scapula Crest of lesser tubercle of humerus Extends, and medially rotates humerus Muscles of the Arm Attachment Point 1 (Origin) Attachment Point 2 (Insertion) Action 18 Biceps brachii Radial tuberosity Flexes arm, flexes forearm, supinates forearm 19 Triceps brachii
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  • Fall '11
  • Frank Spencer
  • Physiology, Human Anatomy, Adducts scapula, Muscles of the upper limb, Medial border of scapula, attachment point, medial condyle of tibia

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