What Is Extension In Anatomy

Extension is the opposite of flexion describing a straightening movement that increases the angle between body parts. Extension at the elbow is increasing the angle between the ulna and the humerus.

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Knee flexion is the bending of the knee to bring the foot toward the posterior thigh and extension is the straightening of the knee.

What is extension in anatomy. For example when standing up the knees are extended. When a joint can move forward and backward such as the neck and trunk extension is movement in the posterior direction. The action of extending.

An exception is extension of the thumb which takes place in a frontal plane about a sagittal axis. For the vertebral column flexion anterior flexion is an anterior forward bending of the neck or body while extension involves a posterior directed motion such as straightening from a flexed position or bending backward. Note that extension of the thigh beyond the anatomical standing position is greatly limited by the ligaments that support the hip joint.

An enlargement in scope or operation. State of being extended. Extension definition an act or instance of extending lengthening stretching out or enlarging the scope of something.

Extension an adult sex toy placed around an erect penis which extends its length. Extension of the hip and knee joints is necessary to stand up from the sitting position. Tools are extensions of human hands.

Extension refers to a movement that increases the angle between two body parts. Extension at the elbow is increasing the angle between the ulna and the humerus. A straightening of a flexed limb terminal care see extension of life.

Flexion and extension are movements that take place within the sagittal plane and involve anterior or posterior movements of the body or limbs. Extension occurs when the angle between two adjacent segments in the body increases as the ventral surfaces of the segments move away from each other and occurs in a sagittal plane about a frontal axis. Extension of the hip and knee joints is necessary to stand up from the sitting position.

The process of straitening or the state of being strait. Extension the making larger of a thing imaging the broadening of a lesioneg a cancer or focus of infection as seen on an imaging technique orthopedics a in the angle between parts of a joint.

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