DR HQ: Anatomy 101— Flexor Mass Injuries to the Forearm

In the past week, we’ve heard about Stephen Strasburg (RHP, WAS) battling tightness in the flexor mass (also known as flexor pronator muscle group) in his forearm.  Gavin Floyd (RHP, CHW) will undergo surgery to repair damage to his flexor mass tendon AND have Tommy John surgery. (More on Floyd later). The Orioles’ Dylan Bundy had a PRP treatment involving his flexor mass and was told to shut it down for up to six weeks. This injury is all over the news, so let's take a look at this little discussed ailment.

Anatomy:

The Livestrong.com website does a great job of explaining the anatomy of the flexor mass…

"The flexor mass muscles are also known as the lateral and medial epicondyle muscles. This muscle massextends from the elbow down...

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