Library: Sports Injuries

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Tenosynovitis

Tendons attach muscle to bone and are the focus for the “pull” of the muscle. They are encased in sheaths that are naturally lubricated so that they slide easily when you use your muscles. In Tenosynovitis there is a malfunction of the lubricating system between the tendons and their sheath in the affected joints, causing them to “grate” and they then become irritated and inflamed. The sheath then becomes thickened and the tendons can no longer glide smoothly. This will sometimes cause the finger to click as you bend or straighten it. This is an over-use injury caused by repetitively using the fingers when they are under too much stress. It may also be caused by infection. It is a common condition among typists.

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Tags: Shoulder, Hands, Legs, Feet, Ligaments, Tendons, Sports Injuries, Tenosynovitis

Fracture Wrist - Hand

A fracture is another name for a break in the bone. There are 8 bones in the wrist joining the bones of the hand and arm, and these are held together by ligaments. The wrist joint is designed in such a way as to allow great flexibility and strength. This flexibility must be severely limited in order for your fracture to heal after a break, and often a plaster cast is required running from the hand to the elbow. As with most broken bones, once held immobile in a rigid plaster, the bone is capable of healing itself.

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Tags: Hands, Wrists, Fracture, Sports Injuries

Skier’s Thumb

This painful condition is caused by over-stretching the thumb. As the thumb is forced backwards toward the wrist, the ligament over-stretches and causes pain. Ligament connects bone to bone and keeps joints stable. If it is over stretched the joint becomes loose. The repair to a damaged ligament is always slow because of poor blood supply to the area. Other tissue like scar tissue grows much more quickly and your body will use this to replace the damaged part of the ligament. Scar tissue is not nearly as efficient as the original ligament. Without effective therapy the thumb may never fully recover.

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Tags: Hands, Thumbs, Ligaments, sprained, Ligament Sprain, Skiers Thumb, Sports Injuries

Dislocated Finger

This a common minor injury, frequent in contact sports like football, rugby and basketball. If your hand is caught awkwardly in a tackle, or struck by a ball your finger may slip slightly out of alignment on contact. Usually this happens at the joint above the knuckle. It will be very sore and you will be unable to bend it properly. The amount of swelling will be small depending on how recently it has happened and in the early stages bruising will not be seen.

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Tags: Hands, Fingers, Dislocated Finger, Sports Injuries, Sprain

Wrist Sprain

Ligament connects bone to bone and keeps a joint steady. It is made from tough cord-like tissue, but has a weak blood supply and so finds it difficult to repair itself. They have half the holding power of steel and are tremendously flexible. The ligament is made up of fibres, like string twisted in to a rope. When you tear your ligament (see: Ligament Tear) you cut the rope. When you sprain it, you over-stretch or tear some of these strings or fibres.

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Tags: Hands, Wrists, Repetitive Stress Syndrome, Sports Injuries, Sprain, Wrist Sprain

Ulnar Neuritis

Your nerves bring the information from your brain to your muscles that tells them when you want them to move. This information is brought to the outside of the hand (little finger side) via the ulnar nerve. It travels under your elbow to the ring and little finger and is sometimes called the “funny bone”. Too much pressure on this nerve over a time can damage it causing numbness, a burning feeling and a tingling sensation in the hand and fingers.

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Tags: Arms, Elbow, Hands, Neuritis, Sports Injuries

Hamstring Muscle - Torn Calf Muscle

Your muscles are made of fibres resembling threads. A muscle tear happens when these “threads” are stretched too much and break. As they break, the severed ends spring back and curl up. This space is then filled with blood which causes the discoloration that appears as bruising after a day or so. Muscles can tear for many reasons, lack of proper warm-up, over stressing, weakness from a previous injury or poor repair, over tired, tense or cold muscles damage more easily. The amount and severity of the tear depends on the severity of the stretch or the blow you received.

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Tags: Lower Body, Legs, Muscles, torn, Hamstring muscle tear, Muscle sprain or strain, Sports Injuries

Hamstring Muscle Strain

Your muscles are made of fibres resembling threads and wrapped in “cling film”. A muscle tear happens when some of these fibres are stretched too much and break. As they break, the severed ends spring back and curl up. This space is then filled with blood which causes the discoloration that appears as bruising after a day or so. Muscles can tear for many reasons, lack of proper warm-up, over stressing, weakness from a previous injury or poor repair. Over-tired, tense or cold muscles damage more easily. The amount and severity of the tear depends on the severity of the stretch or the blow you received.

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Tags: Lower Body, Legs, Muscles, strain, Hamstring muscle tear, Sports Injuries, Sprain

Groin Strain

Tendon attaches muscle to bone and is the focus for the “pull” of the muscle. What happens in Groin Strain is that the muscle pulls part of the tendon away from the bone or away from the belly of the muscle and the attachment point (or focus) becomes frayed and sore. There is extra pressure on these point when you over-stretch your leg outwards, or it can be pressured by kicking a ball and those repeated jarring effects can cause damage. While the tendons themselves are enormously strong (half the tensile strength of steel), the attachment is usually weaker and first to give.

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Tags: Groin, Legs, Ligaments, Tendons, Muscles, Groin Strain, Sports Injuries, Sprain, Tendinitis

Fracture - Knee

A fracture is another name for a break in the bone. There are 3 bones in the knee and these are held together by ligaments. The knee joint is designed in such a way as to allow great flexibility and strength. The leg bones themselves are capable of withstanding compression of a ton or more and the ligaments have half the tensile strength of steel. This strength and flexibility must be severely limited in order for your fracture to heal after a break, and often a plaster cast is required running from the thigh to the instep. As with most broken bones, once held immobile in a rigid plaster, the bone is capable of healing itself.

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Tags: Knees, Fracture, Muscle sprain or strain, Sports Injuries

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