Zac Efron Keeps a Low Profile at Physical Therapy

Zac Efron walks with a crutch as he leaves his physical therapy session on Tuesday afternoon (March 19) in Los Angeles.

The 31-year-old kept a low profile in a baseball hat, sunglasses, and an all black workout outfit as he spent the day working on his ACL.

PHOTOS: Check out the latest pics of Zac Efron

Back in February, Zac shared with fans that he had to undergo surgery after tearing his ACL.

Zac‘s upcoming movie Extremely Wicked, Shockingly Evil, and Vile will be released in theaters and on Netflix later this year.