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Ice · 03-27-2006, 10:31 AM

Mechanism of injury

If there is a severe in-turning or out-turning of the foot relative to the ankle, the forces cause the ligaments to stretch beyond their normal length. If the force is too strong, the ligaments can tear. You may lose your balance when your foot is placed unevenly on the ground. You may fall and be unable to stand on that foot. When excessive force is applied to the ankle's soft tissue structures, you may even hear a "pop." Pain and swelling result.

The amount of force determines the grade of the sprain. A mild sprain is a Grade 1. A moderate sprain is a Grade 2. A severe strain is a Grade 3. (See Table 1.)

Grade 1 sprain: Slight stretching and some damage to the fibers (fibrils) of the ligament.

Grade 2 sprain: Partial tearing of the ligament. If the ankle joint is examined and moved in certain ways, abnormal looseness (laxity) of the ankle joint occurs.

Grade 3 sprain: Complete tear of the ligament. If the examiner pulls or pushes on the ankle joint in certain movements, gross instability occurs.

Treatment Options

Walking may be difficult because of the swelling and pain. You may need to use crutches if walking causes pain. Usually swelling and pain will last two days to three days. Depending upon the grade of injury, the doctor may tell you to use removable plastic devices such as castboots or air splints.

Most ankle sprains need only a period of protection to heal. The healing process takes about four weeks to six weeks. The doctor may tell you to incorporate motion early in the healing process to prevent stiffness. Motion may also aid in being able to sense position, location, orientation and movement of the ankle (proprioception). Even a complete ligament tear can heal without surgical repair if it is immobilized appropriately. Even if an ankle has a chronic tear, it can still be highly functional because overlying tendons help with stability and motion.

For a Grade 1 sprain, use R.I.C.E (rest, ice, compression and elevation):

Rest your ankle by not walking on it.

Ice should be immediately applied. It keeps the swelling down. It can be used for 20 minutes to 30 minutes, three or four times daily. Combine ice with wrapping to decrease swelling, pain and dysfunction.

Compression dressings, bandages or ace-wraps immobilize and support the injured ankle.

Elevate your ankle above your heart level for 48 hours.

For a Grade 2 sprain, the RICE guidelines can also be used. Allow more time for healing to occur. The doctor may also use a device to immobilize or splint the ankle.

A Grade 3 sprain can be associated with permanent instability. Surgery is rarely needed. A short leg cast or a cast-brace may be used for two weeks to three weeks.

Rehabilitation is used to help to decrease pain and swelling and to prevent chronic ankle problems. Ultrasound and electrical stimulation may also be used as needed to help with pain and swelling. At first, rehabilitation exercises may involve active range of motion or controlled movements of the ankle joint without resistance. Water exercises may be used if land-based strengthening exercises, such as toe-raising, are too painful. Lower extremity exercises and endurance activities are added as tolerated. Proprioception training is very important, as poor propriception is a major cause of repeat sprain and an unstable ankle joint. Once you are pain-free, other exercises may be added, such as agility drills. The goal is to increase strength and range of motion as balance improves over time.

All ankle sprains recover through three phases:

Phase 1 includes resting, protecting the ankle and reducing the swelling (one week).

Phase 2 includes restoring range of motion, strength and flexibility (one week to two weeks).

Phase 3 includes gradually returning to activities that do not require turning or twisting the ankle and doing maintenance exercises. This will be followed later by being able to do activities that require sharp, sudden turns (cutting activities) such as tennis, basketball or football (weeks to months).

Medication: Nonsteroidal anti-inflammatory drugs (NSAIDs) may be used to control pain and inflammation.

Long-term outcome: If an ankle sprain is not recognized, and is not treated with the necessary attention and care, chronic problems of pain and instability may result.

Risk Factors/Prevention

The best way to prevent ankle sprains is to maintain good strength, muscle balance and flexibility.

Warm-up before doing exercises and vigorous activities

Pay attention to walking, running or working surfaces

Wear good shoes

Pay attention to your body's warning signs to slow down when you feel pain or fatigue

03-27-2006, 10:31 AM
Ice Confirmed User Join Date: Nov 2002 Location: Sunny California Posts: 26,053	Mechanism of injury If there is a severe in-turning or out-turning of the foot relative to the ankle, the forces cause the ligaments to stretch beyond their normal length. If the force is too strong, the ligaments can tear. You may lose your balance when your foot is placed unevenly on the ground. You may fall and be unable to stand on that foot. When excessive force is applied to the ankle's soft tissue structures, you may even hear a "pop." Pain and swelling result. The amount of force determines the grade of the sprain. A mild sprain is a Grade 1. A moderate sprain is a Grade 2. A severe strain is a Grade 3. (See Table 1.) Grade 1 sprain: Slight stretching and some damage to the fibers (fibrils) of the ligament. Grade 2 sprain: Partial tearing of the ligament. If the ankle joint is examined and moved in certain ways, abnormal looseness (laxity) of the ankle joint occurs. Grade 3 sprain: Complete tear of the ligament. If the examiner pulls or pushes on the ankle joint in certain movements, gross instability occurs. Treatment Options Walking may be difficult because of the swelling and pain. You may need to use crutches if walking causes pain. Usually swelling and pain will last two days to three days. Depending upon the grade of injury, the doctor may tell you to use removable plastic devices such as castboots or air splints. Most ankle sprains need only a period of protection to heal. The healing process takes about four weeks to six weeks. The doctor may tell you to incorporate motion early in the healing process to prevent stiffness. Motion may also aid in being able to sense position, location, orientation and movement of the ankle (proprioception). Even a complete ligament tear can heal without surgical repair if it is immobilized appropriately. Even if an ankle has a chronic tear, it can still be highly functional because overlying tendons help with stability and motion. For a Grade 1 sprain, use R.I.C.E (rest, ice, compression and elevation): Rest your ankle by not walking on it. Ice should be immediately applied. It keeps the swelling down. It can be used for 20 minutes to 30 minutes, three or four times daily. Combine ice with wrapping to decrease swelling, pain and dysfunction. Compression dressings, bandages or ace-wraps immobilize and support the injured ankle. Elevate your ankle above your heart level for 48 hours. For a Grade 2 sprain, the RICE guidelines can also be used. Allow more time for healing to occur. The doctor may also use a device to immobilize or splint the ankle. A Grade 3 sprain can be associated with permanent instability. Surgery is rarely needed. A short leg cast or a cast-brace may be used for two weeks to three weeks. Rehabilitation is used to help to decrease pain and swelling and to prevent chronic ankle problems. Ultrasound and electrical stimulation may also be used as needed to help with pain and swelling. At first, rehabilitation exercises may involve active range of motion or controlled movements of the ankle joint without resistance. Water exercises may be used if land-based strengthening exercises, such as toe-raising, are too painful. Lower extremity exercises and endurance activities are added as tolerated. Proprioception training is very important, as poor propriception is a major cause of repeat sprain and an unstable ankle joint. Once you are pain-free, other exercises may be added, such as agility drills. The goal is to increase strength and range of motion as balance improves over time. All ankle sprains recover through three phases: Phase 1 includes resting, protecting the ankle and reducing the swelling (one week). Phase 2 includes restoring range of motion, strength and flexibility (one week to two weeks). Phase 3 includes gradually returning to activities that do not require turning or twisting the ankle and doing maintenance exercises. This will be followed later by being able to do activities that require sharp, sudden turns (cutting activities) such as tennis, basketball or football (weeks to months). Medication: Nonsteroidal anti-inflammatory drugs (NSAIDs) may be used to control pain and inflammation. Long-term outcome: If an ankle sprain is not recognized, and is not treated with the necessary attention and care, chronic problems of pain and instability may result. Risk Factors/Prevention The best way to prevent ankle sprains is to maintain good strength, muscle balance and flexibility. Warm-up before doing exercises and vigorous activities Pay attention to walking, running or working surfaces Wear good shoes Pay attention to your body's warning signs to slow down when you feel pain or fatigue __________________ icq 1904905