GENERAL

Interactions of skeletal muscle

1. Origin -

2. Insertion -

3. Agonist (prime mover) -

-a. Biceps brachii -

4. Antagonist -

-a. Biceps brachii -

5. Synergist -

-b. Fixators -

Naming skeletal muscle

1. Location -

2. Shape -

3. Relative size -

4. Directions of fibers –

5. Number of origins -

6. Origin and insertion -

7. Muscle action -

MUSCLE MECHANICS

Arrangement of fascicles

1. Parallel -

2. Fusiform –

3. Pennate -

-a. Unipennate -

-b. Bipennate -

-c. Multipennate -

4. Convergent -

5. Circular -

Lever systems: basic principles

1. Lever -

2. Fulcrum -

3. Effort -

4. Load -

Mechanical advantage (power) versus Mechanical disadvantage (speed) levers

1. Mechanical advantage -

-a. Effort –

-b. Distance moved -

2. Mechanical disadvantage lever -

-a. Effort -

-b. Distance moved -

3. Body –

Types of levers

1. First class levers –

-a. Mechanical advantage –

-b. Mechanical disadvantage –

-c. Body –

2. Second class levers –

-a. Mechanical advantage lever –

-b. Body –

3. Third class levers –

-a. Mechanical disadvantage lever –

-b. Body –

MAJOR SKELETAL MUSCLES

Head and neck muscles

1. Frontalis –

-a. Origin –

-b. Insertion –

-c. Action –

2. Occipitalis –

-a. Origin –

-b. Insertion –

-c. Action –

3. Orbicularis oculi –

-a. Origin –

-b. Insertion –

-c. Action –

4. Zygomaticus –

-a. Origin –

-b. Insertion –

-c. Action –

5. Orbicularis oris –

-a. Origin –

-b. Insertion –

-c. Action –

6. Buccinator –

-a. Origin –

-b. Insertion –

-c. Action –

7. Platysma –

-a. Origin –

-b. Insertion –

-c. Action –

8. Masseter –

-a. Origin –

-b. Insertion –

-c. Action –

9. Temporalis –

-a. Origin –

-b. Insertion –

-c. Action –

10. Digastric –

-a. Origin –

-b. Insertion –

-a. Action –

11. Sternohyoid –

-a. Origin –

-b. Insertion –

-c. Action –

12. Sternocleidomastoid –

-a. Origin –

-b. Insertion –

-c. Action –

Thorax muscles

1. Serratus anterior –

-a. Origin –

-b. Insertion –

-c. Action –

2. Trapezius –

-a. Origin –

-b. Insertion –

-c. Action –

3. Levator scapulae –

-a. Origin –

-b. Insertion –

-c. Action –

4. Rhomboids –

-a. Origin –

-b. Insertion –

-c. Action –

5. Pectoralis major –

-a. Origin –

-b. Insertion –

-c. Action –

6. Latissimus dorsi –

-a. Origin –

-b. Insertion –

-c. Action –

7. Deltoid –

-a. Origin –

-b. Insertion –

-c. Action –

8. Rotator cuff muscles –

9. Supraspinatus –

-a. Origin –

-b. Insertion –

-d. Action –

10. Infraspinatus –

-a. Origin –

-b. Insertion –

-c. Action –

11. Subscapularis –

-a. Origin –

-b. Insertion –

-c. Action –

12. Teres minor –

-a. Origin –

-b. Insertion –

-c. Action –

3. Teres major –

-a. Origin –

-b. Insertion –

-c. Action –

Abdominal muscles

1. Rectus abdominis –

-a. Origin –

-b. Insertion –

-c. Action –

2. External oblique –

-a. Origin –

-b. Insertion –

-c. Action –

3. Internal oblique –

-a. Origin –

-b. Insertion –

-c. Action –

4. Transverse abdominis –

-a. Origin –

-b. Insertion –

-c. Action –

Upper extremities

1. Brachialis –

-a. Origin –

-b. Insertion –

-c. Action –

2. Brachioradialis –

-a. Origin –

-b. Insertion –

-c. Action –

3. Biceps brachii –

-a. Origin –

-b. Insertion –

-c. Action –

4. Triceps brachii –

-a. Origin –

-b. Insertion –

-c. Action –

5. Pronator teres –

-a. Origin –

-b. Insertion –

-c. Action –

6. Flexor carpi radialis –

-a. Origin –

-b. Insertion –

-c. Action –

7. Flexor carpi ulnaris –

-a. Origin –

-b. Insertion –

-c. Action –

8. Palmaris longus –

-a. Origin –

-b. Insertion –

-c. Action –

9. Flexor digitorum superficialis –

-a. Origin –

-b. Insertion –

-c. Action –

10. Flexor digitorum profundus –

-a. Origin –

-b. Insertion –

-c. Action –

11. Flexor retinaculum –

-a. Carpal tunnel –

-b. Carpal tunnel syndrome –

12. Extensor carpi radialis longus –

-a. Origin –

-b. Insertion –

-c. Action –

13. Extensor carpi radialis brevis –

-a. Origin –

-b. Insertion –

-c. Action –

14. Extensor carpi ulnaris –

-a. Origin –

-b. Insertion –

-c. Action –

15. Extensor digitorum –

-a. Origin –

-b. Insertion –

-c. Action –

16. Extensor retinaculum –

Lower extremities

1. Sartorius –

-a. Origin –

-b. Insertion –

-c. Action –

2. Adductor longus –

-a. Origin –

-b. Insertion –

-c. Action –

3. Gracilis –

-a. Origin –

-b. Insertion –

-c. Action –

4. Adductor magnus –

-a. Origin –

-b. Insertion –

-c. Action –

5. Fascia lata –

-a. Ileotibial tract –

6. Tensor fascia latae -

-a. Origin –

-b. Insertion –

-c. Action –

7. Quadriceps femoris –

8. Rectus femoris –

-a. Origin -

-b. Insertion –

-c. Action –

9. Vastus lateralis –

-a. Origin –

-b. Insertion –

-c. Action –

10. Vastus intermedius –

-a. Origin –

-b. Insertion –

-c. Action –

11. Vastus medialis –

-a Origin –

-b. Insertion –

-c. Action –

12. Gluteus maximus –

-a. Origin –

-b. Insertion –

-c. Action –

13. Hamstrings –

14. Biceps femoris –

-a. Origin -

-b. Insertion –

-c. Action –

15. Semitendinosus –

-a. Origin –

-b. Insertion –

-c. Action –

16. Semimembranosus –

-a. Origin –

-b. Insertion –

-c. Action –

17. Tibialis anterior –

-a. Origin –

-b. Insertion –

-c. Action –

18. Gastrocnemius –

-a. Origin –

-b. Insertion –

-c. Action –

19. Soleus –

-a. Origin –

-b. Insertion -

-c. Action –

20. Extensor digitorum longus –

-a. Origin –

-b. Insertion –

-c. Action –

21. Fibularis (peroneus) longus –

-a. Origin –

-b. Insertion –

-c. Action –