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  Here is the COMPLETE list of all muscles
Click on the name below to see the video that locates the muscles on laboratory torso models.
Action or actions of muscle

& video links if available

Cadaver video
if available

  Abductor digiti minimi Abducts little (5th) finger  
  Abductor pollicis brevis Abducts thumb  
  Abductor pollicis longus Abducts thumb and extends it  
  Achilies tendon    
  Adductor magnus adducts and flexes femur at hip  
  Adductor pollicis Draws thumb toward center of palm and rotates the thumb medially  
  Biceps brachii Supinates forearm and flexes forearm biceps brachii
  Biceps femoris extends thigh (Femur) at hip  foreleg posterior
  Brachioradialis Flexes forearm  
  Buccinator Draws corners of lips laterally  
  Coracobrachialis Helps to flex shoulder joint and adduct arm  
  Deltoid (anterior fibers) flexes and medially rotates arm  deltoid
  Deltoid (posterior fibers) extends and laterally rotates arm  deltoid
  Extensor carpi radialis brevis extends wrist bones on radius side  forearm posterior
  Extensor carpi radialis longus Extend and abduct hand at wrist joint  forearm posterior
  Extensor carpi ulnaris Extends and adducts hand at wrist joint  forearm posterior
  Extensor digitorum (forearm-fingers) Extends four digits at wrist joints;
Extends hand at wrist joint
 forearm posterior
  Extensor digitorum (foreleg-foot) Extend toes 2 - 5 and dorsiflexes foot  forearm posterior
  Extensor pollicis brevis Extends proximal (base of) thumb at carpometacarpal joint  
  External oblique rotates and flexes vertebral column  
  Fibularis (peroneus) brevis Dorsiflexion of foot, extension of toes  
  Fibularis (peroneus) longus dorsiextends (plantar flexes) and everts the foot  
  Flexor carpi ulnaris Flexes wrist and adducts hand (at wrist)  flexor carpi radialis
  Flexor digiti minimi Flexes proximal phalanx of little (5th) finger  
  Flexor pollicis brevis Flexes thumb  
  Frontalis wrinkles brow  
  Gastrocnemius plantar flexion (or dorsiextends) of ankle  foreleg posterior
  Gluteus maximus Major extensor of hip joint  gluteus maximus
  Gluteus medius Major abductor of thigh  
  Gluteus minimus (hidden) Abducts and medially rotates the hip joint  
  Gracilis Flexes the knee, adducts the thigh  gracillis
  Iliacus Flexes hip and medially rotates hip  
  Iliopsoas group Flex the torso and flexion of thigh  
  Infraspinatus (view 1) Major muscle that laterally rotates arm  
  Infraspinatus (view 2) Major muscle that laterally rotates arm  
  Latissumus dorsi Extends humerus, adducts humerus, and medially rotates humerus  latissimus dorsi
  Levator scapulae elevates scapula  
  Masseter raises mandible (for chewing)  
  Occipitalis helps to move the posterior scalp  
  Orbicularis oculi closes eye  orbicularis oculi
  Orbicularis oris Narrows orifice of mouth, purses lips and puckers lip edges  orbicularis oris
  Palmaris longus Flexes hand (at wrist)  
  Pectoralis major Adducts humerus and medially rotates humerus;  pectoralis major
  Pectoralis major (upper fibers) Adducts humerus and medially rotates humerus;  pectoralis major
  Pronator teres Pronates forearm and flexes forearm (at elbow)  
  Psoas major Flexes hip and laterally rotates hip  
  Rectus abdominis flexion of spine  rectus abdominis
  Rectus femoris Extends the knee  quadriceps muscle group

rectus femoris

  Sartorius Flexes hip joint and laterally rotates the hip joint and flexes the knee  sartorius
  Scalene  anterior lateral flex of neck, assists in breathing  
  Scalene  middle lateral flex of neck, assists in breathing  
  Scalene  posterior lateral flex of neck, assists in breathing  
  Semimembranosus (view 1) Extends the thigh, flexes the knee  hamstrings
  Semimembranosus (view 2) Extends the thigh, flexes the knee hamstrings
  Semitendinosus (view 1) Extends the thigh, flexes the knee, adducts femur hamstrings
  Semitnedinosus (view 2) Extends the thigh, flexes the knee, adducts femur hamstrings
  Serratus anterior abducts scapula and holds it to the thoracic wall  serratus anterior
  Soleus plantar flexor of foot  foreleg posterior
  Splenius capitis extends neck and rotates neck  
  Sternocleidomastoid flexion of neck, abduction of head  sternocleidomastoid
  Tensor fascia latae Helps stabilize and steady the hip, abducts femur  tensor fascia latae
  Teres major (view 1) Adducts humerus (arm) and medially rotates arm  
  Teres major (view 2) Adducts humerus (arm) and medially rotates arm  
  Teres minor Laterally rotate arm (weakly)  
  Tibialis anterior Dorsiflexor of foot and invertor of foot  tibialis anterior
  Trapezius Elevates scapula, retracts scapula away from thorax and rotates scapula  trapezius
  Triceps brachii extensor of forearm  triceps brachii
  Vastus intermedius Extends the knee  quadriceps muscle group
  Vastus lateralis Extends the knee, abducts femur  quadriceps muscle group
  Vastus medialis Extends the knee, adducts femur  quadriceps muscle group