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64 Cards in this Set
- Front
- Back
head and neck muscles are grouped into: ______ & ______
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facial and chewing muscles
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circular muscle of the lips
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orbicularis oris
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it closes the mouth and protrudes the lips, often called the "kissing muscle"
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orbicularis oris
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allows you to raise your eyebrows, as in surprise and to wrinkle your forehead
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frontalis
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allows you to squint, close your eyes and wink
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orbicularis oris
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flattens the cheek (as in whistling or blowing a trumpet)
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buccinator
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raises the corner of the mouth; "smiling muscle"
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zygomaticus
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muscle fibers that run circle around your eyes
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orbicularis oculi
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fan-shaped muscle overlying temporal bone, it acts as a synergist of the masseter in closing the jaw
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temporalis
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compresses the cheek to hold the food between the teeth during chewing
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buccinator
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"prayer muscle"
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sternocleidomastoid
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this muscle closes the jaw by elevating the mandible
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masseter
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when both sternocleidomastoid contract together the action is: _____
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flex the neck
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raise the rib cage for air breathing
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external intercostals
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fan-shaped muscle covering the part of the chest
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pectoralis major
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it pulls the corner of the mouth inferiorly/downward sag of the mouth
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platysma
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when one sternocleidomastoid contracts the action is: _____
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rotate the head to opposite side
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forms the wall of the axilla and acts to adduct and flex the arm
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pectoralis major
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deep muscles found between the ribs
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intercostal
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depress the rib cage, helps to move air out of the lungs
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internal intercostals
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paired superficial muscles that make up the lateral walls of the abdomen
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external oblique
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most superficial muscles of the abdomen
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rectus abdominis
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deepest muscle of the abdominal wall
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transversus abdominis
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deep to the external oblique, runs at right angles to those of external oblique
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internal oblique
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flex the vertebral column but also they rotate the trunk and bend it laterally
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external oblique
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flex the vertebral column, compresses the abdominal contents during defacation and child birth and invloved in forced breathing
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rectus abdominis
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compresses the abdominal contents
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transversus abdominis
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diamond or "kite shaped"muscle
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trapezius
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extends the head
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trapezius
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imp muscles when the arm must be brought down in a power stroke, as when swimming or striking a blow
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latissimus dorsi
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a large and flat muscle pair that covers the lower back
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latissimus dorsi
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prime mover of back extension
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erector spinae
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erector spinae is composed of:
______,_______ and ______... powerful back extensors |
spinalis, iliocostalis, longissimus
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fleshy, traingle-shaped muscles that form the rounded shape of your shoulders
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deltoid
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prime mover for arm abduction
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deltoid
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prime mover of the flexion of the forearm and acts to supinate the forarm
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biceps brachii
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it bulges when the elbow is flexed
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biceps brachii
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lies deep to the biceps muscle and is as imp as the biceps in elbow flexion
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brachialis
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resides mainly in the forearm
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brachioradialis
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often called "boxer's muscle"
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triceps brachii
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only muscle posterior to the humerus
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triceps brachii
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forms most of the flesh of the buttocks
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gluteus maximus
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powerful hip extensor
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gluteus maximus
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imp site for giving intramuscular injections if more than 5ml is administered
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gluteus medius
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prime mover of hip flexion
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iliopsoas
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acts to keep the upper body from falling backward when standing erect
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iliopsoas
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press the thighs together
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adductor muscles
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(4) muscles causing movement at the hip joint
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gluteus maximus
adductor muscles gluteus medius iliopsoas ...in short GAGI :p |
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muscle mass forming the posterior thigh
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hamstring group
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hamstring group is consists of:
_____, _____ & _____ |
biceps femoris
semimembranosus semitendinosus |
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most superficial muscle of the thigh
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sartorious
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"tailor's muscle"
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sartorious
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this group act to extend the knee powerfully, as when kicking a ball
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quadriceps group
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the quadriceps group is consists of: ____,____, ____ & ____
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3 vastus muscles
rectus femoris |
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sometimes the site used for intramuscular injections for infants
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lateral vastus and rectus femoris
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muscles that causes movement to the knee joint:
____, _____, & ______ |
hamstring group
sartorious quadriceps group |
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muscles that causes movement to ankle and foot:
____,_____,____, ____ & ____ |
Gastrocnemius
Extensor digitorum longus Fibularis muscles Tibialis anterior Soleus |
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prime mover for toe extension and dorsiflexor of the foot
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extensor digitorum longus
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plantar flexes and everts the foot
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fibularis muscles : longus, brevis, tertius
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"toes dancer's muscle"
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grastrocnemius
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forms the curved calf of the posterior leg
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grastrocnemius
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strong plantar flexor of the foot
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soleus
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superficial muscle of the anterior leg
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tibialis anterior
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dorsiflex and inverts the food
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tibialis anterior
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