Muscles of the body

deltoid function

lifts the arm

triceps function

straighten the arm

pectoralis major function

moves the shoulder and its involved in deep breathing

external oblique function

twists the abdomen

gluteus maximus function

extends the hip for standing up

latissimus dorsi function

causes movements in the upper part of the arm and provides support when the arm is raised above the head

trapezius functon

moves the shoulder

quadriceps function

extends the knee

adductors function

flexes and rotates thigh laterally

soleus function

supports the ankle, flexes the foot walking

rectus abdominis function

supports the abdominal wall

biceps function

rotates and bends forearm

hamstrings function

bending of the knee and moving the upper leg backwards

gastrocnemius

used for walking and jumping