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31 terms

A&P Muscle Test

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Zygomaticus
The muscle used in smiling.
Buccinator
The muscled used to suck your cheeks in.
Orbicularis Oculi
The muscle used in winking.
Frontalis
The muscle used to form the horizontal frown line on the forehead.
Orbicularis Oris
The "kissing" muscle.
Masseter
Prime mover of Jaw closure.
Temporalis
Synergist muscle for jaw closure.
Sternocleidomastoid
Prime mover of head flexion;a two headed muscle.
Rectus Abdominus
The name means "straight muscle of the abdomen".
Pectoralis Major
Prime mover for shoulder flexion and adduction.
Deltoid
Prime mover for shoulder abduction.
External Oblique
Part of the abdominal girdle; forms the external lateral walls of the abdomen.
Sternocleidomastoid
Acting alone, each muscle of this pair turns the head toward the opposite shoulder.
Internal Oblique & Tranversus Abdominus
2 muscle pairs that help form the natural abdominal girdle.
External Intercostal
Deep muscles of the thorax that promote the inspiratory phase of breathing.
Diaphragm
An unpaired muscle that acts with the muscles named immediately above to accomplish inspiration.
Trapezius
Muscle that allows you to shrug your shoulders or extend your head.
Latissimus Dorsi
Muscle that adducts the shoulder and causes extension of the shoulder joint & Large paired superficial muscle of the lower back.
Deltoid
Shoulder muscle that is the antagonist of the muscle just described.
Gluteus Maximus
Used to extend the hip when climbing stairs.
Gastrocnemius
"Toe dancer's" muscle; a 2-bellied muscle of the calf.
Adductors
A group of muscles that allows you to draw your legs to the midline of your body.
Quadriceps
Muscle group that extends the knee.
Hamstrings
Muscle group that extends the thigh and flexes the knee.
Gluteus Medius
Smaller hip muscle that is comonly used for an injection site.
Flexor Carpi Ulnaris
Wrist flexor that follows the ulna.
Extensor Digitorium
Muscle that extends the fingers.
Flexor Digitorium Superficialis
Muscle that flexes the figners.
Biceps Brachii
Muscle that allows you to bend (flex) the elbow.
Triceps Brachii
Muscle that extends the elbow.
Deltoid
Powerful shoulder abductor, used to raise the arm overhead.