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muscular system

muscles

QuestionAnswer
Even when we are not moving, our muscles are in a state of partial contraction that gives us... muscle tone
A____ nerve controls muscle contraction motor nerve
The attachment of the muscle to the less movable bone is called its... origin
The biceps (brachii) and triceps work ______ to one another antagonistically
The ______ muscle adducts the scapula and rotates it and draws the shoulders upward trapezius
The _____ muscle extends and rotates the thigh laterally and tilts the pelvis gluteus maximus
The attachment of the muscle to the more movable bone is its... insertion
The external intercostals are important in... breathing
Each muscle fiber is almost filled with threadlike structures called... myofibrils
Each muscle is surrounded by a covering of connective tissue called... epimysium
Each skeletal muscle is an organ made up of hundreds, sometimes thousands of muscle cells, referred to as... muscle fibers
The _____ muscle flexes the trunk and compresses the abdomen rectus abdominus
Extensions of epimysium form tough cords of connective tissue, the ____ that anchor the muscle to bones tendons
The masseter muscle... is important in chewing
The _____ muscle elevates the upper corners of the mouth zygomatic
_____ muscle is the voluntary muscle attached to bones Skeletal
About____ skeletal muscles working together, allow us to carry on our daily activites and move effectively through our world 600
The gastrocnemius muscle... flexes the knee
A muscle that extends the elbow is the... triceps brachii
Muscle fibers are arranged in bundles called... fasicles
Each fasicle is wrapped by connective tissue called... perimysium
Individual muscle fibers are surrounded by a connective tissue called... endomysium
Muscle is surrounded by fibrous connective tissue that merges with the tissue of the tendon called... fascia
During muscle exertion, an _____ develops. The period of rapid breathing that follows exercise pays this back by breaking down lactic acid oxygen debt
Contraction in which muscle shortens and thickens as it contracts while the muscle tone remains the same isotonic contraction
Contraction in which muscle tension increases, but muscle length does not change appreciably isometric contraction
A ______ stabilizes joints so that undesirable movement does not occur synergist
Muscle that contracts to produce a particular action; prime mover agonist
Muscle that produces the opposite movement to an agonist antagonist
A ______ stabilizes the origin of the prime mover so that its force is fully directed on the bone which it inserts fixator
Created by: corinbrower
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