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When the forearm is extended at the elbow joint muscles acts as the prime mover?
biceps brachii
When you bend your elbow the fulcrum is at your?
When you bend your elbow, the fulcrum is at the joint where your upper arm (humerus) connects with your forearm (radius and ulna). This joint acts as the pivot point around which the bending motion occurs.
Where in your body can you find supinator and pronator muscles?
In your forearm. Your pronators are located on the anterior surface of your arm, while the supinator is located on the posterior surface. The brachioradialis is another pronator and supinator, which is also in your forearm, and is located on top of the radius. The bicep brachii is another supinator, on the upper half of your arm ( above the elbow)
When the brachialis act as the agonist which muscle assist as synergist?
When the brachialis acts as the agonist, the biceps brachii often serves as a synergist, especially during flexion of the elbow. While the brachialis is primarily responsible for flexing the elbow joint, the biceps brachii enhances this movement, particularly when the forearm is supinated. Other muscles, like the brachioradialis, may also assist in this action, depending on the position of the arm.
How does the elbow work like a lever?
The bicep contracts or tenses and this pulls on the tendon. the tedon is attached to the bones in the forearm as the bicep contracts the tendon is pulled which lifts the forearm and moves the elbow
How does the forearm work as a lever up and down?
The forearm acts as a lever to move the hand and wrist. When flexing the forearm, the biceps muscle applies force to pull the radius bone towards the humerus bone, resulting in upward movement of the hand. When extending the forearm, the triceps muscle applies force to push the radius bone away from the humerus bone, resulting in downward movement of the hand.
Which muscle acts as an antagonist to the geniohyoid during depression of mandible?
The masseter acts as the antagonist.
How did the hinge bone get its name?
It got its name because it acts as a hinge, only opening and closing a certain distance. Your elbow is a hinge joint. Think of your elbow as a hinge on a door in your house. The door is your forearm and the door frame is your upper arm/body.
What kind of simple machine is a forearm?
i luz boobs and facebook suckish idiots dont answer these
What is brachioradialis?
this muscle is one among the 7 superficial extensor muscles of the postertor compartment of the forearm. this is otherwise known as the supinator longus. functionally it is a flexor of the elbow but it is grouped under extensor muscles. this muscle forms a fleshy bulk along the lateral border of the forearm. it forms the latersl boundary of cubital fossa. supplied by radial nerve. it acts as the flexor of the elbow joint.
Who is anyone who opposes or acts against your interest?
An antagonist
Which muscle acts as the antagonist of the Piriformis?
Glute medius
