Removing the muscle relieves compression on the popliteal artery, reducing a patient's symptoms and pain. Lyden is one of a handful of surgeons in the U.S. who do the procedure.

Novak Djokovic posted a scan of his injured left hamstring on social media early Sunday, more than 24 hours after being booed at the Australian Open when he quit playing one set into his semifinal.

“It was too much, I guess, to handle for me at the moment. Unfortunate ending, but I tried.” Djokovic takes jab at injury ‘experts’ with MRI photo of left hamstring ...