Muscle Contractions

Front

As this athlete jumps into the air, his quadriceps undergo-

Back

concentric contraction

Front

What type of contraction is happening here? Options: isostabilize, isokinetic, isotonic, isometric

Back

isometric

Front

Which of these muscle types have VOLUNTARY contractions? Cardiac, Skeletal, Smooth

Back

Skeletal

Front

Which is considered the "main mover"?

Back

Agonist muscle

Front

What type of muscle is considered the opposing muscle during a given movement?

Back

Antagonist muscle

Front

Concentric contraction ______ muscles

Back

shorten

Front

Muscles contraction which increase in length

Back

Eccentric

Front

No movement or shortening, but tension with muscle increases

Back

Isometric

Answer explanation

Front

During the upward phase (pressing), which muscle is undergoing concentric contraction? Options: biceps, triceps, abdominals, quads

Back

triceps

Front

During the downward phase of the squat, which muscle is undergoing eccentric contraction?

Back

quads