A posterior cruciate ligament (PCL) injury is a tear or sprain of the PCL, a ligament that crosses the back of your knee. Ligaments are tough bands of tissue that connect bones. The PCL is the ...

Most low back pain is caused by muscle strain or a sprain. A strain is when your muscle fibers are stretched. A sprain is when your ligaments (bands of tissue that hold your bones together ...

However, sprains differ in that they involve the stretching or tearing of a ligament, while strains involve ... overuse or forceful impact of the neck, back, or hamstring. Even so, both can ...

The Royals officially placed 2B Michael Massey on the 10-Day Injured List due to a lower back ligament sprain. That 10 days is retroactive to the 25th when Massey was held out in the Royals' 7-4 ...

These ligaments tend to be slower to ... especially for positions such as wide receiver and running back. That makes it a very common non-contact injury. It often starts as just some tightness ...

The Kansas City Royals placed second baseman Michael Massey on the 10-day injured list Sunday because of a low back ligament sprain. In a corresponding move, the Royals recalled shortstop Nick ...