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Muscular System (names of all muscles (muscles of thigh and leg (soleus…

- - - - closes jaw
    - - pulls corners of mouth inferiorly
    - - raises corner of the mouth
    - - blinks and closes eyes
    - - raises eyebrows
    - - closes and protrudes lips
    - - closes jaw
    - - compressed cheek as in whistling and sucking; holds between teeth during chewing
    - - flexes neck; rotates head
  - - - extend the back, laterally flex the back and maintain correct posture and curvature of the spinal column
    - - flex and rotate lumbar region of vertebral column; stabilize pelvis during walking
    - - stabilizes, elevates, retracts, and rotates scapula
    - - adducts and medially rotates arm; can help in climbing, throwing, pushing, and forced inspiration
    - - flex vertebral column and compress abdominal wall; trunk rotation and lateral flexion
    - - prime mover of arm extension; powerful arm adductor; medially rotates arm
  - - - extends and abducts hand
    - - powerful flexor and adductor of wrist
    - - prime mover of arm abduction when all its fibers contract simultaneously
    - - powerful forearm extensor
    - - flexes and supinates forearm
    - - powerful flexor of hand; abducts hand
    - - flexes hand and middle phalanges of second to fifth fingers
    - - prime mover of finger extension
  - - - plantar flexes foot
    - - prime mover of dorsiflexion; inverts foot
    - - flexion of knee, extension of hip
    - - major extensor of thigh; laterally rotates and abducts thigh
    - - extensor of knee joint; flexor of the hip
    - - flexing of thigh and forward tilting of the pelvis
    - - hip: flex, laterally rotate thigh
        
        knee: flex leg, medially rotates the leg
    - - adduction of thigh at the hip joint; flexion and medial rotation of the femur
    - - plantar flexes foot
    - - prime mover of toe extension; dorsiflexes foot
- - - - attached by tendons to bones
        
        striated and voluntary
  - - - forms heart wall
        
        joined to another cells at intercalated disc
        
        involuntary and has striations
  - - - found mainly in hollow walls of organs and eyes (controls size of pupil)
        
        no striations and involuntary
- - - - ex. rectus (straight)
    - - ex. maximus (largest)
    - - ex. deltoid (triangular)
    - - ex. many muscles are named for bones (temporalis)
    - - ex. triceps (three heads)
    - - ex.. sterno (on the sternum)
    - - ex. flexor and extensor (flexes or extends a bone)
  - - - movement that decreases the angle of a joint
    - - movement that increases angle of a joint
    - - extension beyond 180 degrees
    - - movement of a bone around a longitudinal axis
    - - movement of limb away from midline
    - - movement towards the midline
    - - proximal end of a limb is stationary and the distal end moves in a circle
    - - lifting the superior surface of foot towards shin
    - - pointing toe
    - - 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 fingers