Lab Practical #3 (part III)

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Author:
FireprincessAsh
ID:
42813
Filename:
Lab Practical #3 (part III)
Updated:
2010-10-17 19:56:36
Tags:
Back arm Muscles Lab Practical part III
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Description:
Muscles Lab Practical #3
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  1. Identify Muscle:
    • Pectoralis Minor
    • Orgins: Anterior surfaces of ribs 3 - 5
    • Inserts: Coracoid process of scapula
  2. Identify Muscle:
    • Serratus Anterior
    • Origin: Serios of muscle slips from ribs 1 - 8
    • Inserts: Entire anterior surface of vertebral border of scapula
    • Action: "Boxer's Muscle" Protract and hold scapula and plays a roll in raising arm.
  3. Identify Muscle:
    • Subscapularis
    • Origin: From groove on axillary border of scapula
    • Inserts: Proximal humerus
    • Action: Rotates the humerus
  4. Identify Muscle:
    • Coracobrachialis
    • Origin: Coracoid process of scapula
    • Insert: By flat tendon at body of humerous
    • Action: Draw humerus forward
  5. Identify Muscle parts 1 and 2
    • Biceps Brachii
    • 1 - Long Head
    • Origin: Above the Glennoid Fossa
    • Insert: Radial Tuberosity

    • 2 - Short Head
    • Origin: Coracoid Process
    • Insert: Radial Tuberosity

    Action: Flex the elbow and supinate the forearm.
  6. Identify Muscle:
    • Brachialis
    • Origin: Inferior half of the humerus' anterior surface
    • Insert: Coracoid process of ulna
    • Action: Flexation of the elbow
  7. Identify #1
    Median Nerve
  8. Identify #2
    Musculocutaneous (lateral leg)
  9. Identify #3
    Radial Nerve
  10. Identify #4
    Ulnar Nerve
  11. Identify Muscle:
    • Trapezius
    • Origin: Occipital Bone
    • Insert: Spine of Scapula
    • Action: Stabilizes, raises, rotates the scapula
  12. Identify Muscle:
    • Latissimus Dorsi
    • Origin: Spinous process of T6 and illiac crest
    • Insert: Intertubercular groove inside the humerus
    • Action: Extension, ADuction, Medial Rotation of the shoulder
  13. Identify #1
    • Teres Major
    • Origin: Posterior surface of scapula
    • Insert: Inferior to lesser tubercle
    • *medial to latissimus*
    • Action: Extension, ADuction, Medial rotation of shoulder
  14. Identify:
    • Deltoid
    • Origin: Acromion and lateral section of clavicle, scapular spine
    • Insert: Deltoid Tuberosity
    • Action: Flexion, ABduction of shoulder
  15. Identify #1
    • Rhomboid Minor
    • Origin: Lower Cervical Vertibra
    • Insert: "Root" of Scapular Spine
    • Action: Stabilize Scapula
  16. Identify #2
    • Rhomboid Major
    • Origin: Thoracis Vertebra
    • Insert: Medial Border of Scapula
    • Action: Stabilize Scapula
  17. Identify Muscle:
    • Levator Scapulae
    • Origin: Cervical Vertebra
    • Insert: Superior Angle of Scapula
    • Action: Elevates Scapula
  18. Identify:
    • Suprasinatus
    • Origin: Supraspinous Fossa
    • Insert: Superior part of greater tubercle
    • Action: Initiation of ABduction
  19. Identify Muscle:
    • Infraspinatus
    • Origin: Infaspinous Fossa on Scapula
    • Insert: Greater Tubercle of Humerus
    • Action: Lateral Rotation
  20. Identify Muscle #2:
    • Teres Minor
    • Origin: Posterior Surface of Scapula
    • Insert: Inferior to infraspinatus
    • Action: Lateral Rotation
  21. Identify Muscle:
    • Triceps Brachii
    • Origin:
    • 1) Long - Infaglenoid tubercle
    • 2) Lateral head - Posterior humerus
    • 3) Medial - The rest of posterior humerus

    • Insert: Common tendon into olecranon process of ulna
    • Action: Extension of Elbow Joint

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