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Muscles in the body and what they do

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Pectoralis major   Draws arm forward and toward the body  
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Serratus anterior   Helps raise arm, contributes to pushes, draws shoulder blade forward  
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Biceps brachii   Bends forearm at elbow  
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Rectus abdominus   Compresses abdomen, bends backbone, compresses chest cavity  
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External oblique   Lateral rotation of trunk, compresses abdomen  
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Adductor longus   Flexes thigh, rotates thigh laterally, draws thigh toward body  
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Sartorius   Bends thigh at hip, bends lower leg at knee, rotates thigh outward  
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Quadriceps group   Flexes thigh at hips, extends leg at knee  
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Tibialis anterior   Flexes foot toward knee  
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Deltoid   Raises arm  
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Trapezius   Lifts shoulder blade, braces shoulder, draws head back  
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Triceps brachi   Straightens forearm at elbow  
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Latissimus dorsi   Rotates and draws arm backward and toward body  
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Gluteus maximus   Extends thigh, Rotates thigh laterally  
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Hamstring group   Draws thigh backward, bends knee  
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Gastrocnemius   Bends lower leg at knee, bends foot away from knee  
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Achilles tendon   Connects gastrocnemius muscle to heel  
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