Caffeine is thought to be safe for most adults, when used appropriately. Toxic doses are possible, but are several times higher than most people typically consume â around 50 to 100 cups of average-strength coffee per day.
The medial collateral ligament (MCL) is a broad, thick band that runs down the inner part of the knee, from the femur (thighbone) to about four to six inches from the top of the tibia (shinbone).The MCL's primary function is to prevent the leg from over-extending inward, but it also is part of the mechanism that stabilizes the knee and allows it to ...
Medial Collateral Ligament (MCL) Injury. The medial collateral ligament, or MCL, is commonly injured while participating in sports such as football, hockey, and skiing. When the leg is hit from the outside while the knee is bent, the knee tends to twist and buckle causing the MCL to over-stretch or tear.iagnosing MCL Injuries. To diagnose an MCL tear and the extent of damage that has occured, your doctor will perform a variety of assessments: 1  Palpation and Observation is often the first step in diagnosing. 2  The joint will be examined for swelling, bruising and deformities.