exercise 13 – Flashcards
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relative size & location relative to a bone or body region
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Gluteus maximus received its name based on...
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action of the muscle & relative size
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adductor magnus received its name based on...
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location of the origin/insertion & location relative to a bone or body region
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biceps femoris received its name based on...
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direction in which the muscle fibers run relative to some imaginary line & location relative to a bone or body region
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transversus abdominis received its name based on...
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action, location of the origin/insertion, & location relative to a bone or body region
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extensor carpi ulnaris received its name based on...
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shape of the muscle
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trapezius received its name based on...
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direction in which the muscle fibers run relative to some imaginary line & location relative to a bone or body region
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rectus femoris received its name based on...
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direction in which the muscle fibers run relative to some imaginary line & location relative to a bone or body region
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external oblique received its name based on...
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prime mover (agonist)
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term for the biceps brachii during forearm flexion
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synergist
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term that describes the relation of brachioradialis to biceps brachii during forearm flexion
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antagonist
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term for the triceps brachii during forearm flexion
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antagonist
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term for the iliopsoas during thigh extension
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prime mover (agonist)
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term for the gluteus maximus during thigh extension when walking up stairs
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fixator
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term for the rotator cuff muscles and deltoid when the forearm is flexed and the hand grabs a tabletop to life the table
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zygomaticus major and minor
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used in smiling
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buccinator
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used to suck in your cheeks
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orbicularis oculi
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used in blinking and squinting
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depressor anguli oris
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used to pout (pulls the corners of the mouth downward)
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epicranius (frontal belly)
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raises your eyebrows for a questioning expression
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corrugator supercilii
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used to form the vertical frown crease on the forehead
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orbicularis oris
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your kissing muscle
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masseter
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prime mover of jaw closure
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platysma
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tenses skin of the neck during shaving
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rectus abdominis
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a major flexor of the vertebral column
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latissimus dorsi
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prime mover for arm extension
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pectoralis major
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prime move for arm flexion
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external oblique, internal oblique, & transversus abdominis
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assume major responsibility for forming the abdominal girdle (three pairs)
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deltoid (cut)
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prime mover of arm abduction
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pectoralis major & latissimus dorsi
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important in arm adduction; antagonists of the arm abductor
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serratus anterior
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moves the scapula forward and rotates scapula upward
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external intercostals
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small, inspiratory muscles between the ribs; elevate the rib cage
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trapezius
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extends the head
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rhomboids
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pull the scapulae medially
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biceps brachii
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flexes and supinates the forearm
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supinator
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synergist for supination of forearm
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brachialis & brachioradialis
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forearm flexors; no role in supination (2 muscles)
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triceps brachii
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forearm extensor
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flexor carpi radialis
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power flexor and abductor of the hand
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flexor digitorum superficialis
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flexes hand and middle phalanges
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pronator quadratus & pronator teres
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pronate the forearm (2 muscles)
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flexor pollicis longus
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flexes the thumb
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extensor carpi radialis longus
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extends and abducts the hand
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extensor digitorum
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extends the hand and digits
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palmaris longus
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flat muscle that is a weak hand flexor; tenses skin of the palm
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flexor hallucis longus
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flexes the great toe and inverts the foot
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fibularis brevis & fibularis longus
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lateral compartment muscles that plantar flex and evert the foot (2 muscles)
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gluteus medius & tensor fasciae latae
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abduct the thigh to take the "at ease" stance (2 muscles)
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gluteus maximus
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used to extend the thigh when climbing stairs
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gastrocnemius & soleus
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posterior compartment muscles that plantar flex the food (2 muscles)
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tibialis posterior
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prime mover of inversion of the foot
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tibialis anterior
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prime mover of dorsiflexion of the foot
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adductor group
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adduct the thigh, as when standing at attention
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extensor digitorum longus
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extends the toes
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biceps femoris, semimembranosus, & semitendinosus
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extend thigh and flex leg (3 muscles)
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rectus femoris
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extends leg and flexes thigh
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deltoid, vastus lateralis, gluteus medius, and gluteus maximus
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The __________, ___________, ___________, and __________ are commonly used for intramuscular injections
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quadriceps
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the insertion tendon of the _______ group contains a large sesamoid bone, the patella
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achilles
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the triceps surae insert in common into the ___________ tendon
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proximal
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the bulk of the tissue of a muscle tends to lie ____ to the part of the body it causes to move.
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humerus, radius, & ulna
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the extrinsic muscles of the hand originate on the _________
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anterior/ posterior/ thigh or lower limb
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most flexor muscles are located on the ______ aspect of the body; most extensors are located ______. An exception to this generalization is the extensor-flexor musculature of the ______.
