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Pre-IB Biology (rat)

General muscles and there functions on the rat. Meant for the disection course.

TermFunction
Bicep Flex lower arm
Pronator Rotate palm or bottom of the foot downward
Supinator Rotate palm or bottom of foot upward
Retractor Move an appendege backward
Protractor Move an appendege forward
Adductor Move an appendege toward the midline of the body
Abductor Move an appendege away from the midline of the body
Flexor close the angle of the joint
Extensor open the angle of a joint
Insertion The end of the muscle attatched to the bone that moves during a contraction
Origin The end attatched to the bone that does not move during a contraction
Tricep Extend lower arm
Trapezius move scapula dorsally
Latisimuss dorsi Moves the humerus dorscaudally
External oblique compress and retain viscera and acts with rectus abdominus to form body wall
Pectoralis Major Draw a forelimb toward the chest (adduction)
Rectus Abdominus Compress abdominal wall and suport viscera
Gluteas Maxius Abduct thigh
Gastrocnemius Extends the foot
Created by: Ryanryan
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