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Upper Body Muscles

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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Muscle
Actions
Lever
Advantages
rhomboids   retraction, depression, downward rotation   type I   mechanical advantage, high force potential  
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levator scapulae   scapula: elevation, downward rotation, abduction, retraction spine: lateral flexion, rotation   Type III   high force, low ROM, mechanical advantage  
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upper trapezius   neck: extension, lateral flexion, rotation scapula: elevation   Type I   mechanical advantage, low force, low velocity  
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middle trapezius   retraction, elevation, upward rotation   Type III   low velocity, good force, mechanical advantage  
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lower trapezius   upward rotation, adduction, depression   Type I   mechanical advantage, high force, high velocity  
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serratus anterior   abduction, upward rotation, depression   Type III   high force, ROM, moderate velocity  
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latissimus dorsi   adduction, internal and external rotation, extension, horizontal abduction   Type III   high force and velocity, hybrid ROM and mechanical advantage  
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anterior deltoid   abduction, flexion, internal rotation and horizontal adduction   (blank)   (blank)  
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biceps brachi   elbow and shoulder flexion, supination, weak horizontal adduction   Type III   high force and velocity, mechanical advantage  
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brachialis   flexion   Type III   ROM, low force, low velocity  
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supraspinatus   abduction and stabilization   Type I   low force, low velocity, ROM  
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infraspinatus   external rotation and horizontal abduction   (blank)   (blank)  
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subscapularis   internal rotation and stabilization   Type III   high force, low velocity, hybrid  
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teres minor   external rotation and horizontal abduction   (blank)   (blank)  
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teres major   internal rotation, extension and adduction   (blank)   (blank)  
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pectoralis major   horizontal flexion, horizontal adduction, internal rotation, adduction, flexion, abduction scapula: downward rotation, depression, and initial protraction   Type III   high force, moderate velocity, mechanical advantage  
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pectoralis minor   abduction, downward rotation, depression   (blank)   (blank)  
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triceps brachii   shoulder extension, adduction, elbow flexion, supinator   Type I   ROM, high velocity, high force  
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brachioradialis   flexion, supination and pronation initiator   Type II   ROM, low velocity and force  
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pronator teres, pronator quadratus, and flexor carpi radialis   internal rotation   (blank)   (blank)  
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sternocleidomastoid   flexion, rotation, lateral flexion, extension   (blank)   (blank)  
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lateral deltoid   abduction, flexion, transverse abduction   (blank)   (blank)  
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posterior deltoid   external rotation, extension, transverse   (blank)   (blank)  
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supinator and biceps brachii   external rotation   (blank)   (blank)  
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flexor carpi radialis, flexor carpi ulnaris, palmaris longus, flexor pollicus longus, flexor digitorum profundus and superficialis   wrist flexors   (blank)   (blank)  
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extensor digitorum, carpi radialis longus and brevis, carpi ulnaris, indicis, digiti minimi, pollicus longus and brevis   wrist extensors   (blank)   (blank)  
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penis   erection   (blank)   (blank)  
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Created by: aprince07
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