Dylan Efron, to Instagram Friday. The hunky siblings looked ripped as they posed in their swim trunks after enjoying a day of boating in Coeur D’Alene, Idaho. While Zac, who wore palm tree and ...

Zac Efron is back on his grind after being hospitalization ... dumbbell presses on an exercise ball while wearing only swim trunks. The “High School Musical” star’s post came one day after ...

Zac Efron flaunted his toned physique as he caught ... The “High School Musical” alum, 35, rocked patterned swim trunks, reflective shades and a bucket hat for the day on the water.

Watch: Zac Efron Speaks Out After "Minor Swimming Incident ... a pair of weights while lying shirtless in a pair of swimming trunks on an exercise ball on a deck. "Thanks for the well wishes." ...

Zac Efron sent hearts racing after posing a series of shirtless snaps alongside his younger brother, Dylan Efron, to Instagram. The hunky siblings looked ripped as they posed in their swim trunks ...

In one photo, Zac went shirtless, wearing only a pair of gray swim trunks with a couple of simple designs on them. He showed off his chiseled chest and muscular arms in the photo, as he looked ...

sharing a photo of himself lifting a pair of weights while lying shirtless in a pair of swimming trunks on an exercise ball. "Thanks for the well wishes." Zac Efron / Instagram Zac’s friend ...

Zac Efron gave fans what they've been looking for ... a pair of weights while lying shirtless in a pair of swimming trunks on an exercise ball on a deck. "Thanks for the well wishes." ...

Zac Efron admitted his ego took a blow while filming ... frankly, a Speedo, or trunks,” he explained to the press at The Ritz Carlton in Dallas, Texas, per People. “And everybody was out ...

Zac Efron nearly bared all while filming The Iron ... While Efron may have been feeling uncomfortable in his wrestling trunks, costume designer Jennifer Starzyk said the actor and his costars ...

More information is emerging about what led to Zac Efron’s hospital visit ... of weights while lying shirtless in a pair of swimming trunks on an exercise ball. "Thanks for the well wishes." ...