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How do muscles pair in your thigh would work to bend and straighten your knee?
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Are muscles that bend a joint called extensors?
Muscles that bend a joint are flexors; musces that straighten a joint are extensors.
What do the triceps and biceps muscles do?
The triceps muscles extend (straighten) the arm, while the biceps muscles flex (bend) it at the elbow joint.
Are Muscles that bend a joint called extensors and muscles that straighten a joint called flexors?
Yes, that's true.False.
Which muscle straightens a joint?
A muscle that straightens a joint is called an extensor.Extensors are the muscles whose contraction extends or straightens a limb or other part of the body.Extensor muscle
What actions do the hamstring and quadriceps muscles perform?
The hamstrings straighten the knee, while the quadriceps (on the front of your thighs) bend it.
What will happen if only 1 muscle is used to bend and straighten the arm?
Two muscles are needed, one to extend the other to close
What is the opposite of straighten?
bend?
What is opposite of bend?
Straighten.
Why are skeletal muscles often found in opposing pairs?
Skeletal muscles are found in pairs called flexors and extensors. The flexors bend a joint, and the extensors straighten the joint. Muscles cannot push; they only pull.
Describe the action of your muscles when you bend your arm and then straighten it again?
The muscles in your arm never expand; so when you bend your arm, your biceps contract as your triceps return to their regular form. When you extend your arm, you triceps contract as your biceps return to their regular form.
What works to move bones back and forth?
Skeletal muscles move bones. A pair of muscles is required to move a bone -- one muscle to straighten the joint, and another to bend the joint.
What is the best posture for carrying heavy things?
Bend at the knees, keeping the back straight, and lift using the power of the thigh(quadriceps) muscles and calf (gastrocnemius and soleus) muscles.
