A | B |
straited muscle | voluntary or skeletal muscle |
fascia | fibrous tissue that envelops and separates muscles |
smooth muscle | viseral or involuntary muscle |
cardiac muscle | intercalated discs, straited and branching fibers but acts like smooth; involuntary muscle |
cardiac muscle grouping | branched and only in the heart |
orbicularis oculi | closes eyelids, wrinkles forehead |
sternocleidomastoid | turn head |
pectoralis major | adducts, flexes, rotates arm inward |
masseter | closes jaw for chewing |
deltoid | extends arm |
biceps brachii | flexes forearm |
gluteus maxiumus | extends, abducts, and rotates thigh laterally |
gastrocnemius | bends knee and lifts heel off ground |
Achilles tendon | tendon from gastrocnemius to calcaneous (heelbone) |
origin | point of attachment of the muscle to the stationary bone |
insertion | oint of junction of the muscle to the bone that moves |
flexion | decreasing the angle between two bones; bending a limb |
extension | increasing the angle between two bones; straightening a limb |
abduction | movement away from the midline of the body |
adduction | movement towards the midline of the body` |
rotation | circular movement around an axis |
dorsiflexion | decreasing the angle of the ankle joint so that the foot bends backwards (upward) |
plantar flexion | the motion that extends the foot downward toward the ground as when pointing the toes |
plant/o | sole of the foot |
supinaton | as applied to the hand, the act of turning the palm forward, or up |
pronation | as applied to the hand, the act of turning the palm backward, or down |
fibr/o | fibrous connective tissue |
fasci/o | fascia (froms sheaths enveloping muscle) |
my/o | muscle |
myocardi/o | heart muscle |
myos/o | muscle |
rheumatoid factor test | blood is tested for the presence of the rheumatoid factor |
ACL | anterior cruciate ligament |
Ca | calcium |
triceps | extends the forearm |
trapezius | elevates, retracts, & rotates scapula |
pectoralis major | adducts and medially rotates humerus |
deltoid | anterior part- flexes & medially rotates arm; middle: abducts arm; posterior part: extends & laterally rotates arm |
biceps brachii | flexes forearm in all positions |
latissimus dorsi | extends, adducts, and medially rotates humerus |
brachialis | flexes forearm in all positions |
brachioradialis | flexes forearm |
sartorius | "tailor's muscle" longest muscle in the body; flexes, abducts and laterally rotates thigh at hip joint; flexes leg at knee joint |
quadriceps | great extensor of the leg |
tibialis anterior | dorsiflexes ankle and inverts foot |
gastrocnemius | "the calf" plantarflexes ankle when knee is extended, raises heel during walking; flexes leg at knee joint |
soleus | plantarflexes ankle independent of position of knee & steadies leg on foot |
hamstring muscle | semitendinous, semimembranosus, long head of biceps femoris |
sprain | tearing of tissues, ligaments, muscles and tendons |
strain | overstretching injury with muscle tears; less severe than sprain |
buccinator | presses cheek against molar teeth, aiding in chewing |