Balance boards, also known as wobble boards, are instruments that use a flat, hard top that you stand on, and an unstable rounded bottom so that to use it, you must exercise balance and swift movements. Balance boards are used in a variety of ways, from sports training, to fitness and exercise and even rehabilitation.

Your latissimus dorsi muscle is the largest muscle in your back and makes moving your arm up and back possible. The muscle connects your arm to your back and is one of the largest muscles affecting your shoulder functioning, according to chiropractor Dr. Kim Christensen.

Ankle injuries, particularly injuries to the ligaments on the lateral side of the ankle joint are one of the most common sports injuries that occur when the ankle "rolls" under the athlete.

Ankle sprains are among the most common joint injuries seen by orthopaedists. Ankle sprains are injuries to one or more ligaments surrounding the ankle joints. Ligament injury can range from mild (merely stretched), to moderate (partially torn), to severe (completely severed).

The American Academy of Orthopaedic Surgeons states that an estimated 25,000 people, athletes and non-athletes, suffer an ankle sprain every day. Unfortunately many go untreated or are self-managed, which can lead to recurring pain, stiffness and instability.

Foot sprains of the ankle ligaments are common, with about 25,000 occurring each day, according to the the American Academy of Orthopaedic Surgeons. Sprains usually result from the ankle turning inward. Tears in ligaments are known as sprains, while tears in muscle are called strains.

A foot sprain occurs when the ligaments that cross the foot tear due to injury, notes Aetna's Intellihealth website. When the ligaments are torn, it's important to see your doctor to find out how bad the sprain is and if you'll need added therapy.

Toe sprains result from partial tears to the ligaments in your toe. These ligaments connect one bone to the next. You can sprain a toe by stubbing it on a hard object or even by stepping and stopping abruptly, forcing the toe into the end of your shoe.

Achiness in the ankles while playing basketball can occur abruptly from a sudden injury or develop gradually over time, and it can result from a variety of conditions and errors. Ankle achiness may not only affect the way that you play basketball, it can halt your game prematurely and dissuade you from future play.

An ankle sprain refers to an injury to one or more of the ligaments on the outer portion of the ankle. Ankle sprains can range in severity from mild ligament stretching to more serious ligament tearing. Swelling and pain frequently accompany an ankle sprain.

A sprained ankle, one of the most common sports injuries, occurs when a player stretches or tears a ligament. While the ankle contains many ligaments, most sprains involve the lateral ligaments on the outside of the joint.

Ankle dislocations almost always occur with a sprain or fracture. When an ankle is dislocated, the adjoining bones in the joint are displaced to the point they no longer have contact with each other.