1. Body muscles

2. Biceps Position front of upper arm Action Flexes elbow, supinates
forearm and hand

3. Triceps
Position
Back of arm
Action
Extends the elbow

4. Brachio- radialis Position Radial side of the Forearm Action
Flexes and supinates
forearm

5. Wrist flexors
Position
Along forearm
Action
Flex the wrist

6. Wrist extensors
Position
Along forearm
Action
Extend the wrist

7. Deltoid
Position
Over the shoulder
Action
Abducts the arm

8. Pectoralis major
Position
Chest
Action
Adducts the
arms

9. Splenius capitis Position Back of neck to base of
skull under trapezius
Action
Extension and rotation
of head

10. Splenius cervicis Position Back of neck, beside an below spl.capitis
Action
Extension and rotation
of head

11. Rotator cuff Position Between scapula and head of humerus Action
Rotation of shoulder

12. Rhomboids Position Between vertebrae and scapula Action
Pulls back and lifts
scapula

13. Trapezius Position Upper back Action Rotates the shoulder,
retracts scapula

14. Latissimus dorsi Position Lower back, sides of thorax Action
Extends the arm,
adducts humerus

15. Erector spinae Position Either side of vertebrae Action
Extends and laterally
flexes the spine,
maintains posture

16. Intercostals Position Between the ribs Action Internal intercostals
help with expiration
External intercostals
help with inspiration

17. Diaphragm Position Between thoracic and abdominal cavity Action
Respiratory muscle,
increases the volume
of the thoracic cavity

18. Rectus abdominis Position Front of abdomen Action Flexes spine,
compresses abdomen

19. External obliques Position Either side of abdomen Action
Lateral flexion,
compress abdomen

20. Serratus anterior Position Side of the rib cage Action
Protracts scapula

21. Piriformis Position Outer hip, between sacrum and head of femur Action
Abducts and rotates
the hip

22. Gluteals (gluteus maximus ,medius and minimus )
Position
Buttocks
Action
Extend, abduct and
rotate thigh

23. Hamstrings Position Back of thigh Action Flex the knee and
extend the thigh at
the hip

24. Quadriceps Position Front of thigh Action Extends the knee
and flexes the
thigh

25. Tensor fascia lata
Position
Outer thigh
Action
Abducts the thigh

26. Sartorius Position Across front of thigh Action Flexes the thigh and
the knee

27. Adductor group
Position
Inner thigh
Action
Adduct the thigh

28. Gracilis
Position
Inner thigh
Action
Adduct the thigh

29. Gastrocnemius
Position
Calf muscle
Action
Plantar flex the foot

30. Soleus
Position
Beneath gastrocnemius
Action
Plantar flex the foot

31. Tibialis anterior Position Front of lower leg, beside shin bone Action
Dorsi flex and inverts
the foot