muscles Word Scramble
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Question | Answer |
occipitofrontalis | raises the eyebrows |
orbicularis oculi | closes eyelids |
orbicularis oris | puckers lips |
buccinator | flattens cheeks |
orcbicularis oris - buccinator | kissing muscle |
zygomaticus | smiling |
levator labii superioris | sneering |
depressor anguli oris | frowning |
mastication | chewing |
4 pairs of mastication muscles | 2 temporalis 2 masseter |
intrinsic tongue muscles | change the shape |
extrinsic tongue muscles | moves the tongue |
sternocleidomastoid | lateral neck muscles/ prime mover |
platysma | sheetlike muscle, covers the anterolateral neck |
erector spinae | group of muscles on each side of the back |
external intercostals | elevate the ribs during inspiration |
internal intercostals | contract during forced expiration |
diaphragm | accomplishes quiet breathing |
abdominal wall muscles | muscles of abdominal wall flex and rotate vertebral column, hold in abdominal viscera |
linea alba | tendinous area of the abdominal wall, white connective tissue rather than muscles |
rectus abdominious | on each side of linea alba |
trapezius | rotates scapula |
serratus anterior | pulls scapula anteriorly |
pectoralis major | adducts and flexes the arm |
latissimus dorsi | medially rotates, adducts, extends the arm |
deltoid | attaches the humerus to the scapula and clavicle |
triceps brachii | extends forearm |
biceps brachii | flexes forearm, occupies anterior compartment of the arm |
brachialis | flexes forearm |
retinaculum (bracelet) | strong fibrous connective tissue that covers the flexor and extensor tendons and holds them in place around wrist. |
flexor carpi | flexes the wrist |
extensor carpi | extends the wrist |
flexor digitorum | flexes the finger |
extensor digitorum | extends the fingers |
intrinsic hand muscles | 19 hand muscles |
interossi muscles | located between metacarpals, are responsible for abduction and adduction of the figers |
gluteus maximus | buttocks |
quadriceps femoris | extends the leg. anterior thigh muscles |
sartorius | "tailors muscle", flexes the thigh |
hamstring | postier thigh muscles, flexes leg extends thigh |
gastrocnemiua and solus | for the calf muscle |
calcaneal tendon (achilles tendon) | flexes foot and toes |
peroneus | lateral muscle of leg |
intrinsic foot | 20 muscles located in foot, muscles flex extend, abduct, and adduct toes |
contraction | process of becoming smaller |
muscle fibers | cell composed of myofibers that contract when stimulated |
skeletal muscle | connected to the skeleton to form part of mechanical system |
endomysium | enshealths each individual myocyte |
perimysium | shealth of connective surrounding a bundle of muscle fibers |
fasicle | bundle of structures |
smooth muscle | contractile fibris are not highly ordered |
cardiac muscle | another term for myocardium |
sarcolemma | fine transparent tubular sheath |
sarcomere | structure unit of a myofiber in striated muscle |
myosin | fibrous protein that forms the contractile filaments of muscle |
actin | protein that forms together |
sarcoplasmic reticulum | specialized endoplasmic of cardiac muscle |
motor unit | made up of a motor neuron and the skeletal muscle |
axon | long threadlike part of a nerve cell |
acetyliecholine | compound that occurs throughout the nervous system |
muscle fatigue | muscle to generate force |
isotonic | length of muscle |
isometric | strength training in which joint angle and muscle length do not change |
orgin | where something begins |
insertion | action of inserting something |
synergists | a substance organ |
antagonists | substanaces that inhibits physiological action |
fixators | muscle that acts of a stabilizer |
contractility | shorten with force |
excitablilty | capacity to respond to a stimulus |
extensibility | ability to stretch |
elasticity | ablilty to recoil to original length after stretch |
muscle fiber | single cylinder cell containing several nuceli |
fasciculi | composed of single muscle called fibers |
muscle twitch | contraction of entire muscle in response to stimulus that causes the action potential in one or more muscle fibers |
Created by:
sadieplymale1221
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