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PATELLAR / QUADRICEPS TENDINITIS

WHAT IS PATELLAR / QUADRICEPS TENDINITIS?

Patellar tendinitis is a common overuse injury. It occurs when repeated stress is placed on the patellar tendon. The stress results in tiny tears in the tendon, which the body attempts to repair. However when the tears in the tendon increase faster than what the body can recover, it […]

Osgood Schlatters Disease

What is Osgood-Schlatter disease?

Osgood-Schlatter disease is probably the most frequent cause of knee pain in children. The condition occurs most commonly in children between the ages of 9 and 16 years but it can occur in younger children. Both boys and girls are equally vulnerable to its debilitating effects. Osgood-Schlatter disease is always characterized […]

Skeletal Muscle and Tendon

Key Points

Skeletal muscle has a complex organization of nerves, blood vessels, and connective tissue matrix that protects against injury and organizes individual cellular elements into functional contractile units of muscle. Muscle fibers range a few millimeters to several centimeters in length. Fibers are arranged into larger units known as fascicles. Perimysium, a connective tissue […]

Knee

Most recent trends in knee rehabilitation emphasize immediate motion, immediate weightbearing, early closed kinetic chain exercises, strength exercises, and early return to activity. Effective rehabilitation programs require an understanding of any surgical procedures performed, the structure of the knee, and the nature of the injury.

Strengthening should include both closed and open kinetic chain exercises, […]

Traction tendinitis

Sinding-Larsen-Johansson disease

Sinding-Larsen-Johansson disease is a traction tendinitis of the distal pole of the patella, caused by microtrauma. It is seen in growing individuals; who have pain at the inferior pole of the patella in association with running and jumping. Typical clinical signs are point tenderness at the inferior pole of the patella, swelling, limitation […]

Complete Tendon Rupture

Complete tendon rupture (third-degree strain) often occurs in a degenerative tendon and is especially common in older athletes who return to sport after some years’ absence from training. These ruptures afflict badminton players in particular, and also participants in tennis, team handball, basketball, rugby, American football, and soccer, as well as long-jumpers, high-jumpers, and runners

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Muscle Structure

The human body possesses more than 300 clearly defined muscles, comprising about 40% of the total body weight. Each muscle has an upper origin (head) and a lower insertion, with the bulky part between them (the belly) forming the actively contracting portion. The muscle is attached to bone by tendons. A skeletal muscle is composed […]

Rupture of the Quadriceps or Hamstring Muscles

SYMPTOMS

Sudden sharp pain most commonly affecting the quadriceps or hamstring muscles during activity. Often the athlete falls in the middle of a stride and cannot continue.

AETIOLOGY

The tear can be partial (Grade I-II) or complete (Grade III-IV), often close to a musculo tendinous junction and occasionally at the origins. The muscle […]

Anterior Chronic Compartment Syndrome

SYMPTOMS

There is a gradual onset of diffuse exercise-induced pain on the anterior lateral aspect of the lower leg. It is common in fairly short but muscular ‘bulky’ athletes. The pain becomes so great that continued sport is not possible. The athletes complain that the muscles feel like they are bursting. Rest, with the […]

Knee Anatomy and Examination

Basics Description Anatomy of the knee consists of compartments, bones, menisci, ligaments, muscles, and nerves. 3 compartments: Medial, lateral, and patellofemoral Bones: Patella: Serves as fulcrum to aid knee extension Medial and lateral menisci: Fibrocartilaginous structures in medial and lateral femorotibial compartments Aid in joint lubrication and nutrition and in load distribution across articular […]