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What is extension of a muscle?

What is extension of a muscle?

An extension is a physical position that increases the angle between the bones of the limb at a joint. It occurs when muscles contract and bones move the joint from a bent position to a straight position. It is a posterior movement for joints that move backward or forward, such as the neck.

What are the extensor muscles of the body?

Examples of extensor muscles include the latissimus dorsi, teres major, and triceps brachii of the upper limb and the biceps femoris, gluteus maximus, and quadriceps of the lower limb.

Where in the body can you find extension?

Flexion and extension. (a)–(b) Flexion and extension motions are in the sagittal (anterior–posterior) plane of motion. These movements take place at the shoulder, hip, elbow, knee, wrist, metacarpophalangeal, metatarsophalangeal, and interphalangeal joints.

How do you do body extension exercises?

Start by standing tall with your feet shoulder-width apart. Dip down quickly, dropping your hips back and down into a quarter squat, as you swing your arms down behind you. Explode back up onto your toes as you extend through your body, raising your arms above your head.

What is the meaning of extention?

noun. 1. The act of making something longer or the condition of being made longer: elongation, prolongation, protraction.

What’s an example of extension?

The definition of an extension is an addition such as to a building, an extra phone line connected to the main line or an extra amount of time given to someone to pay a debt. An example of an extension is adding a second story to a single story house. An example of an extension is line two on a business line.

Which joints are extended?

Types of joint movement

Joint Type Movement
Elbow Hinge Flexion, extension
Knee Hinge Flexion, extension
Hip Ball and socket Flexion, extension, abduction, adduction, rotation, circumduction
Shoulder Ball and socket Flexion, extension, abduction, adduction, rotation, circumduction

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