1. Shoulder, Chest, Arm, Stomach, Back Muscles in the Upper Extremity

2. Shoulder Muscles Trapezius Deltoid Rotator Cuff

3. Trapezius (Traps) Function: Raises head and shoulders Origin: back of the neck and upper vertebrate Insertion: clavicle and scapula

4. Deltoid (Delts) Function: Raises the arm Origin: the spine of the scapula and the clavicle Insertion: the top of the humerus

5. Rotator Cuff Known of the SITS muscles S - Superspiatus I - Infraspinatus T - Teres Minor S - Subscapularis

6. Back Rhomboids Latissimus Dorsi Erector Spinae Quadratus Lumborium

7. Rhomboids Function: (deep muscle) extends the scapula (under the teres major) Origin: thoracic vertebrae Insertion: front of scapula

8. Latissimus Dorsi (Lats) Function: moves the arm backward Origin: lumbar vertebrae Insertion: humerus

9. Erector Spinae Function: straightens the back Origin: lower thoracic vertebrae and top of pelvis Insertion: back of ribs and upper thoracic vertebrae

10. Quadratus Lumborum Function: Elevates the hip and abducts the hip Origin: back of ribs and upper thoracic Insertion: vertebrae lower thoracic vertebrae and top of pelvis

12. Chest Muscles Pectoralis Major Pectoralis Minor Serratus Anterior

13. Pectoralis Major (Pecs) Function: Moves the arm across the chest Origin: sternum and clavicle Insertion: medial and lateral top of the humerus

14. Pectoralis Minor Function: Moves the arm from a raised position down across the chest to the opposite hip Origin: coricoid process of the scapula Insertion: 3 rd, 4 th and 5 th ribs

15. Serratus Anterior Function: Moves the scapula forward Origin: upper ribs / side of the ribs Insertion: scapula

16. Quiz 1. Name one of the two parts of muscle. 2. The place where a muscle is anchored is called what? 3. The temporalis and the masseter work together to perform what function? 4. Name two of the six muscles of the shoulder and back. 5. What muscle group works in a pair with your Lats (Latissimus Dorsi)?

17. Quiz/Review 1. Name one of the two parts of muscle. Tendon, Belly 2. The place where a muscle is anchored is called what? Origin 3. The temporalis and the masseter work together to perform what function? Move the lower jaw 4. Name two of the muscles of the shoulder and back. Traps, Delts, Rotator cuff, Lats, Erector Spinae, Rhomboids 5. What muscle group works in a pair with your Lats (Latissimus Dorsi)? Pecs (Pectoralis Major)

18. Arm Muscles Biceps Triceps Brachioradialis Flexor Carpi Extensor Carpi

19. Biceps Function: flexes arm (anterior) Origin: side of the scapula Insertion: radius/ulna

20. Triceps Function: extends/straightens arm (posterior) Origin: side of the scapula and the humerus Insertion: upper ulna

21. Brachioradialis Function: flexes the elbow Origin: lateral epicondyle of humerus Insertion: radius

22. Flexor Carpi Function: Closes the hand and fingers and flexes the wrist (anterior) Origin: medial epicondyle of humerus Insertion: metacarpals

23. Extensor Carpi Function: Opens the hand and fingers and extends the wrist (posterior) Origin: lateral epicondyle of humerus Insertion: metacarpals

24. Stomach & Abdomen Rectus Abdominis Abs External Obliques Internal Obliques

25. Rectus Abdominis Function: flexes trunk of the body & pulls ribs to pelvis Important for posture Origin: front of pelvis Insertion: front of ribs

26. Obliques External Oblique: flexes the trunk of the body and twists torso Origin: lower ribs Insertion: top of pelvis Internal Oblique: Same as external, except a deeper set of muscles