Table of Contents
What is the antagonist muscle in elbow flexion?
During elbow flexion where the bicep is the agonist, the tricep muscle is the antagonist.
What is an example of an antagonist muscle?
The most common example of antagonistic muscles are the biceps and the triceps. As the agonist muscle contracts, the antagonist relaxes, helping to manage and regulate the movement of the former.
Which muscle performs the antagonist movement when you straighten your arm?
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.
| Biceps | Triceps |
|---|---|
| Pectorals | Latissimus dorsi |
What is synergic muscle?
A synergistic muscle is a muscle which works in concert with another muscle to generate movement. They act on movable joints.
What muscle flexes the hip?
Contraction of the iliacus and psoas major produces flexion of the hip joint. When the limb is free to move, flexion brings the thigh forward. When the limb is fixed, as it is here, flexion of both hips brings the body upright. The other two muscles which help in hip flexion are rectus femoris, and sartorius.
What are antagonist and agonist muscles?
Muscles are attached to bones by tendons. 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.
What is the antagonist muscle in knee flexion?
Movement = starts off with knee flexion which is bending your knees. Hamstrings contract being your agonist, and your quadriceps relax being the antagonist.
What is an example of a antagonist?
The antagonist can be one character or a group of characters. In traditional narratives, the antagonist is synonymous with “the bad guy.” Examples of antagonists include Iago from William Shakespeare’s Othello, Darth Vader from the original Star Wars trilogy, and Lord Voldemort from J.K. Rowling’s Harry Potter series.
What two muscles are examples of antagonistic muscles?
As one muscle contracts, the other relaxes. An example of an antagonistic pair is the biceps and triceps; to contract, the triceps relaxes while the biceps contracts to lift the arm.
What happens to the muscle fibers as the arm flexes and extends?
When a muscle contracts, the contractile fibers shorten it to an even larger bulge. For example, extend and then flex your biceps brachii muscle; the large, middle section is the belly (Figure 3).