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The Muscular System (Levels of Skeletal Muscles (Muscle, Fascicles, muscle…

- - - - closes jaw and is used when you blow a kiss
    - - elevates mandible
    - - Raises eyebrows
    - - Blinks and closes the eyes and it is also used when you wink
    - - raises corner of mouth
    - - Compresses cheeks as in whistling and sucking; holds food between teeth during chewing
    - - pulls corner of mouth inferiorly
    - - closes and protrudes lips
    - - flexes neck, rotates the head
  - - - adducts and flexes humerus
    - - Flexes vertebral column
    - - extends and adducts humerus
    - - extends neck and adducts scapula
    - - flexes and rotates vertebral column
    - - extends back
  - - - flexes elbow and supinates forearm
    - - abducts arm
    - - flexes wrist and fingers
    - - extends the fingers and wrist
    - - extends elbow
    - - Flexes wrist and abducts hand
    - - flexes wrist and adducts hand
    - - Extends wrist and abducts hand
  - - - flexes the hip
    - - adducts the thigh
    - - Extends hip (when forceful extension is required)
    - - Dorsiflexes and inverts foot
    - - extends toes and dorsiflexes foot
    - - flexes thigh and hip
    - - all extend the knee; rectus femoris also flexes the hip and thigh
        
        Quadraceps group
        
        vastus medialis
        
        intermedius
        
        vastus lateralis
        
        rectus femoris
    - - flexes the knee and extends the hip
        
        Hamstring muscles
        
        semitendinosus
        
        semimembranosus
        
        bicep femoris
    - - plantar flexes foot and flexes knee
    - - plantar flexes foot
- - - - movement that decreases angel of joint
        
        bending your knee
    - - movement that increases angle of joint
        
        extending your knee or arm
    - - extension beyond 180 degrees
    - - movement of a bone around a longitudinal axis
        
        shaking your head
    - - movement of limb away from midline
        
        raising arm to 90 degrees
    - - movement of limb toward the midline
        
        bringing arm down
    - - proximal end of a limb is stationary and the distal end moves in circle
        
        the shoulder and the arm
    - - lifting the superior surface of the foot towards the shin
    - - pointing toe
        
        tip toes or pointing toes down
    - - turn sole of foot medially
    - - turn sole of foot laterally
    - - forearm rotates laterally so palm faces anteriorly
    - - forearm rotates medially so palm faces posteriorly
    - - movement of thumb to touch tips of other finger