1. Muscles in the Shoulder, Chest, Arm, Stomach, and Back

2. Shoulder Muscles
Trapezius
Traps
Deltoid
Delts

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 upper arm
Origin: the spine of the scapula and the clavicle
Insertion: the top of the humerus

5. Back
Teres Major
Latissimus Dorsi
Lats
Erector Spinae
Rhomboids

6. Teres Major Function: rotation of the humerus Origin: scapula
Insertion: humerus

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

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

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

11. Chest Muscles
Pectoralis Major
Pecs
Serratus Anterior

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

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

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

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

16. Arm Muscles
Biceps
Triceps
Brachioradialis
Flexor Carpi
Extensor Carpi

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

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

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

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

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

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

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

24. 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