Seattle Mariners infielder Ryan Bliss was diagnosed with a torn biceps and will undergo surgery on Friday. The team said Thursday that Bliss' expected recovery timetable is four to five months.

The vastus medialis, otherwise known as the vastus medialis oblique (VMO), is a teardrop-shaped muscle in the front of your thigh that helps extend the knee and stabilize the kneecap. It is one of the ...