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Well it's first important to understand that muscles shorten. So you have a muscle that is longer when its relaxed, but then when you use that muscle it shortens pulling the bone(s) that it is attached to with it. So if you hold out your arm palm side up and then bend your elbow so your hand comes toward your shoulder, your biceps are shortening and causing the movement. Now when you reverse the movement and go back to your arm straight and your palm up, your triceps are shortening. There are many muscles that work this way in the human body. There are prime movers which preform a a function, and antagonists which do perform the opposite of that function.
Also, there are synergists muscles which help the prime movers by performing the same movement as them or making sure that you don't perform an undesirable movement. Then there are fixators which are a type of synergists which hold bones still while the prime mover is contracting.
What else can I help you with?
What does it mean for muscles to work opposing pairs?
the answer is when one muscle contracts the other relaxes
What does one muscle do while the other one relaxes?
contracts - for antagonistic muscle pairs e.g. muscles in arm (when one relaxes, other contracts, and vice versa)
How do muscles work in pairs to move the body?
When one muscle of a pair contracts, the other muscle of the pair relaxes to allow movement of the body part.
How do muscles work pairs to move the body?
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
Are striated under skeletal muscle?
Because muscle cells can only contract, not extend, skeletal muscles most work in pairs. While one muscle contracts, the other muscle in the pair relaxes to its original length.
What are agnostic pairs?
Perhaps you mean antagonist and agonist muscles often occur in pairs, called antagonistic pairs. As one muscle contracts, the other relaxes. An example of an antagonisic pair is the biceps and triceps; to contract - the triceps relaxes while the biceps contracts to lift the arm.
Why muscles have to work in pairs?
Skeletal muscles only pull in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.
What works in pairs to pull your bones in different directions?
They are the muscles. Muscles contract in pairs to move the parts across the joint. One muscle contract with more power. The opposite muscle contracts with less power and get stretched over to allow the first muscle to act.
What works in pairs to pull your your bones in different directions?
They are the muscles. Muscles contract in pairs to move the parts across the joint. One muscle contract with more power. The opposite muscle contracts with less power and get stretched over to allow the first muscle to act.
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.
What muscles work in antagonistic pairs?
Antagonistic pair is a combination of agonist and antagonist muscles that only one contracts and the other one relaxes. The biceps in a human body are an example of it.
