0
Muscles bend and flex by moving the arm to pick up an object or even Weightlifting.
you know Lil Wayne
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoBy contracting a muscle shortens in length causing movement across the joint(s) it crosses.
Add your answer:
Earn +20 pts
What contracts to extends or straighten the limb at the joint?
This type of muscle contracts to bend a limb at a joint
Are muscles that bend a joint called extensors?
Muscles that bend a joint are flexors; musces that straighten a joint are extensors.
What muscle bends your knee?
The quadriceps muscle helps straighten and extend the leg and the hamstring helps bend the knee.
How do skeletal muscles work as a pair to bend and straighten the arm at the elbow?
When you bend your elbow, the biceps muscle contracts. At the same time the antagonist muscle, that is the triceps muscle relaxes in synchronized manner. Vise verse action take place, when you straighten the arm at the elbow. Triceps contracts and biceps relaxes.
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 muscle that causes parts of the body to bend?
A flexor is a muscle that causes a joint to bend. In contrast, an extension is a muscle that straightens a joint.
What muscle causes a joint to straighten when it contracts?
The muscle that causes a joint to straighten when it contracts are the extensor muscles. These include the triceps that work with the biceps to extend the arm.
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 is a muscle that causes a joint to straighten when it conttractscontracts?
Tricep.
What is a muscle that causes a joint to straighten when it contracts?
strain
What a muscle that causes a joint to straighten when it contracts?
strain
What is a muscle that causes a joint to straighten when contracting?
strain
