Extension Definition Anatomy

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. Articulating bones surrounded by a joint capsule of ligaments and synovial membranes.

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When the chin is against the chest the head is flexed and the trunk is flexed when a person leans forward.

Extension definition anatomy. A straightening of a flexed limb terminal care see extension of life. The stretching of a fractured or dislocated limb so as to restore it to its natural position. On ends of articulating bones covered by hyaline cartlidge and seperated by synovial fluid.

Extension definition an act or instance of extending lengthening stretching out or enlarging the scope of something. If the head is tilted all the way back the neck is said to be extended. In anatomy extension is a movement of a joint that increases the angle between two bones or body surfaces at a joint.

Extension usually results in straightening of the bones or body surfaces involved. 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. Flexion and extension are movements that occur in the sagittal plane.

For example when standing up the knees are extended. An unbending movement around a joint in a limb as the knee or elbow that increases the angle between the bones of the limb at the joint compare flexion 1. They refer to increasing and decreasing the angle between two body parts.

Flexion at the elbow is decreasing the angle between the ulna and the humerus. For example extension is produced by extending the flexed elbow. Extension of the hip or shoulder moves the arm or leg backward.

Flexion refers to a movement that decreases the angle between two body parts. Extension an adult sex toy placed around an erect penis which extends its length. Medical definition of extension.

Flexion and extension are movements that take place within the sagittal plane and involve anterior or posterior movements of the body or limbs. Articular surfaces seperated by thin layers of hyaline cartlidge attached to band of fibro cartlidge. Straightening of the arm would require extension at the elbow joint.

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