Glossary of Sports Medicine Terminology - Index

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A |B | C |D | E |F | G |H | I |J | K |L | M |N | O |P | Q |R | S |T | U |V | W-Z |

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G

Gadolinium MRI: The chemical gadolinium is injected into the joint being studied so as to enhance the diagnosis image of the structure under investigation.

Gamekeeper's Thumb: Tear of the ulnar collateral ligament of the metacarpophalangeal joint of the thumb.

Glenhumeral: The shoulder girdle; consists of the glenoid capsule, head of the humerus and labrum. The type of joint that allows 360-degree motion, a "ball and socket" joint.

Glenoid: Cavity of the scapula into which the head of the humerus fits to the form the shoulder girdle.

Glucose: A simple sugar found in the blood, all of carbohydrate and part of fat can be changed by the body into glucose. It is the body's main source of energy; also known as dextrose.

Glycogen: Stored form of carbohydrate in the liver and muscles. Glycogen is the chief source of stored fuel in the body.

Grade One Injury: A mild injury in which ligament, tendon, or other musculoskeletal tissue may have been stretched or contused, but not torn or otherwise disrupted.

Grade Two Injury: A moderate injury when musculoskeletal tissue had been partially, but not totally torn which causes appreciable limitation in function of the injured tissue.

Grade Three Injury: A severe injury in which tissue has been significantly, and in some cases totally, torn or otherwise disrupted causing a virtual total loss of function.

Groin: Junction of the thigh and abdomen; location of muscles that rotate, flex and adduct the hip.

Guarding : Involuntary local reflex ("protective") abdominal muscle contraction in the region of an area of peritonitis (inflamed lining membrane of the potential cavity in the abdomen).

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