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What 2 muscle work to bend or straighten your elbow?
The biceps and the triceps.-McKenzie
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 muscle does chest press work?
pectorils MAINLY front delts and triceps, and to a lesser degree the pecs.
What does muscles work in pairs mean?
Skeletal muscles are arranged as opposing pairs because, although they can shorten themselves by contracting, they have to be stretched back to their former length by other muscles. An example of opposing muscles is in the arm, where the biceps and triceps have opposite actions. As one muscle shortens, the other is stretched. The biceps contracts to bend the arm at the elbow while the triceps stretches. To straighten the elbow joint, the triceps contracts, while the biceps stretches.
Which muscle does shoulder press work out?
It mainly works the Deltoid muscles, but also works the Triceps Brachii and Trapezius.
What pair of muscles work together to control movement?
Antagonistic muscle pairs, such as the biceps and triceps, work together to control movement. When one muscle contracts, the other relaxes, allowing for smooth and coordinated motion. For example, during elbow flexion, the biceps contract while the triceps lengthen, enabling the arm to bend. This complementary action is essential for various movements throughout the body.
Why can you bend your arms?
When you bend your arm your brain send signals to your arm muscles telling the biceps, your upper arm muscles, to contract, go taut or stretch, while telling your triceps, lower arm muscles, to relax, become less tense or ease. Both of these muscles act as an antagonistic pair and work together to bend the arm. Each muscle uses the bones in your arm, the Humerus, the ulna and the radius, as an anchor.MonkeyLover-Dinda
How do your muscles work in pairs to make parts of the body move using your bicepts and tricepts?
When one muscle of a pair contracts, the other muscle of the pair relaxes to allow movement of the body part.
Muscles work in opposable pairs What do they mean by this?
it means when one muscle contracts the other relaxes like the biceps and triceps
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.
Why do muscles ocontract and relax?
Yes, all muscles will contract and relax, Except the cardiac muscle and involuntary muscles which will be constantly working. er. Heart, intestines. But Voluntary muscles will only work together antagonistically.
What are antagonist for the biceps?
The Triceps brachii
