Sharapova shows off pool rehab skills

Maria Sharapova is working out the kinks in her injured hip and shoulder ... in a swimming pool. She took to social media to show the evidence.

Maria Sharapova has been battling injuries for the better part of what seems like forever. Tennis fans may not mind if she keeps giving behind-the-scenes glances.

The world's No. 2-ranked player tweeted out this picture Friday night as she tries to work her way back into playing form for the summer hard-court season:

Sharapova did a little traveling after crashing out early at Wimbledon, stopping in Stockholm:

And then Mexico:

She now appears to be back in California, where she spends much of her time, and sent out this sequence of tweets a few days ago, in which she displays the wonders of body make-up:

Sharapova also has a new coach on the way after splitting with Thomas Hogstedt on Friday. She is scheduled to play next at the Bank of the West Classic, which starts July 22 in Stanford, Calif.

UPDATE: Sharapova has found her new coach, and he's a legend.