anatomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| frontalis | raises the eye brows
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| orbicularis oculi | blinks and closes eyes
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| orbicularis oris | closes and protrudes lips
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| temporalis | closes jaw
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| masseter | closes jaw
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| zygomaticus | raises corner of mouth
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| occipitalis |
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| buccinator | compresses cheek as in whistling and sucking; holds food between teeth during chewing
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| pectoralis major | adducts and flexes humerus
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| trapezius | extends neck and adducts scapula
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| latissimus dorsi | extends and adducts humerus
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| biceps brachii | flexes elbow and supinates forearm
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| gluteus maximus | extends hips
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| iliopsoas (iliacus and psoas major) | flexes hip
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| sartorius | flexes thigh on hip
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| tibialis anterior | dorsiflexes and inverts foot
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| gastrochemius | planter flexes foot and flexes knee
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| sternocleidomastoid | flexes neck; rotates head
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| platysma | pulls corners of mouth interiorly
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| deltoid | abducts arm
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| erector spinae (deep) | extends back
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| triceps brachii | extends elbow
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| gluteus medius | abducts thigh; steadies pelvis during walking
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| adductor group | adduct thigh
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| gracilis |
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| fibularis longus |
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| soleus | plantar flexes foot
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| quadriceps group | rectus femoris (flexes hip to thigh), vastus medialis, vastus latenalis, vastus intormedius (all. extend knee)
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| hamstring group | biceps femoris, semitendincsus, and semimembranosus all flex knee and extend hp
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| abdominal muscles | rectus abdominis, external oblique, and internal oblique (all flex vertebral column) external oblique and internal oblique (rotate vertebral column) transversus abdominis (compresses abdomin)
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| flexion | decreases the angle of the joint and brings two bones closer together
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| extension | increases the angle, or the distance, between two bones or parts of the body
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| hyperextension | the extension is greater than 180 degrees
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| abduction | moving a limb away from the midline, or median plane, of the body
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| adduction | the movement of a limb toward the body midline
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| circumduction | the proximal end of the limb is stationary, and its distal end moves in a circle
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| rotation | the movement of a bone around its longitudinal axis
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| dorsiflexion | lifting the foot so its superior surface approaches the shin
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| plantar flexion | depressing the foot (pointing the toes)
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| inversion | turn the sole of the foot medially
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| eversion | turn the sole of the foot laterally
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| supination | when the forearm rotates laterally so that the palm faces anteriorly and the radius and ulna are parallel
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| pronation | when the forearm rotates medially so that the palm faces posteriorly
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| opposition | the saddle joint, in the palm of the hand, between metacarpal1 and carpals allows opposition of the thumb
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Created by:
lizhopper2
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