Extension

Extension (medicine)

Extension (pronounced: /ɪkˈstɛnʃən/) is a term used in various fields of medicine to describe a movement that increases the angle between two body parts. It is the opposite of flexion, which decreases the angle between two parts.

Etymology

The term 'extension' comes from the Latin word 'extendere', which means 'to stretch out'.

Related Terms

• Hyperextension: This is an excessive extension of a body part or joint beyond its normal limit.
• Flexion: This is the opposite of extension. It refers to a movement that decreases the angle between two body parts.
• Abduction: This is a movement that pulls a structure or part away from the midline of the body.
• Adduction: This is a movement that pulls a structure or part towards the midline of the body.
• Rotation: This is a movement in which something pivots or revolves around a single long axis.

In Different Fields of Medicine

• In anatomy, extension is a movement that increases the angle between the bones of a joint.
• In neurology, extension refers to the straightening of a limb or muscle.
• In physiotherapy, extension exercises are used to improve the mobility and strength of certain body parts.

See Also

• Joint
• Muscle
• Physiotherapy
• Anatomy
• Neurology

External links

• Medical encyclopedia article on Extension
• Wikipedia's article - Extension

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