What are examples of antagonistic pairs?

What are examples of antagonistic pairs?

Examples of antagonistic pairs are: Biceps and triceps – at the elbow joint. As the biceps bends or flexes the elbow joint by contracting, the triceps relaxes. As the arm straightens, the opposite occurs. Hamstrings and quadriceps – at the knee joint.

What is an example of antagonistic muscles?

pairs of muscles (or muscle groups) that oppose each other in function. For example, the biceps flexes the arm at the elbow, whereas the opposing triceps straightens the arm.

Are hamstrings antagonist?

Antagonistic muscle pairs in action The hamstrings are the agonist and the quadriceps are the antagonist. In the contact and recovery phase, the quadriceps contract to extend the knee while the hamstrings lengthen to allow the movement. The quadriceps are the agonist and the hamstrings are now the antagonist.

Are quadriceps and hamstrings antagonistic pair?

Antagonistic muscle pairs in action In the contact and recovery phase, the quadriceps contract to extend the knee while the hamstrings lengthen to allow the movement. The quadriceps are the agonist and the hamstrings are now the antagonist.

What muscles work in pairs?

Muscles work in pairs, when one muscle shortens the opposite muscle lengthens e.g. the biceps shortens to bend the elbow at the same time its opposite muscle, the triceps, lengthens to allow the movement to occur. Good working between pairs of muscle allows for smooth controlled movement.

Is the quadricep an antagonist?

Is the biceps brachii an antagonist?

In this example, biceps brachii is the agonist or prime mover. Triceps brachii is the antagonist and brachialis is a synergist with biceps brachii.

How many muscles works in pair?

So, the correct answer is ‘Two’.

How do biceps and triceps work as an antagonistic pair?

For example, when you perform a bicep curl, the biceps will be the agonist as it contracts to produce the movement, while the triceps will be the antagonist as it relaxes to allow the movement to occur….Antagonistic muscle pairs.

What is the antagonist of orbicularis oris?

The orbicularis oculi is a muscle in the face that closes the eyelids….

What are paired muscles?

In an antagonistic muscle pair, as one muscle contracts, the other muscle relaxes or lengthens. The muscle that is contracting is called the agonist and the muscle that is relaxing or lengthening is called the antagonist….Antagonistic muscle pairs.

What muscles move in pairs?

What is the antagonist of the pectoralis major?

Deltoid muscle

What is the antagonist of zygomaticus?

Facial muscles (facial expression) Antagonistic to zygomaticus – draws lips downward – aka the “frowning muscle”. Closes lips, purses and protrudes lips (puckers lips) – aka the “kissing muscle”.