Karen Wetzel speaks with PEOPLE about her son Derek Sink's last moments before he was found dead in a Planet Fitness tanning ...

Planet Fitness Manager Julie van Rooyen confirmed that most of the thefts occurred during the earlier time slot. According to Janse van Rensburg, her son saved for a full year to be able to buy ...

Research shows us that muscle growth is driven by mechanical tension. Unlike time under tension—the amount of time a muscle ...

Plank passthrough, plank drag — whatever you call it, this core exercise engages muscles from head to toe as you maintain a plank while dragging a weight from side to side. It tests core strength, ...

Indianapolis police are investigating a concerning death that occurred at a Planet Fitness gym. Derek Sink was found dead in ...

A lower offer made by U.K. gym chain PureGym is more likely to mitigate potential antitrust concerns, judge says.

A man was reportedly found dead inside a tanning bed at an Indiana Planet Fitness days after he was reporting missing by ...

Are you bored of doing regular sets of push-ups? Add some spice to your upper body workouts with the "Bring Sally Up" push-up ...

Family told 13News that 39-year-old Derek Sink visited a tanning bed on Friday and was found dead there Monday morning.

Ever wondered what it takes to balance military life with bodybuilding? Follow a military bodybuilder's daily routine, filled with intense workouts, discipline, and dedication to fitness. Get inspired ...

While fitness icon Susan Powter lost millions throughout her career, other stars such as Jane Fonda, Suzanne Somers and more thrived as workout gurus throughout the '80s and '90s.

Explore how Jay Cutler transformed his physique and mindset to go head-to-head with Ronnie Coleman in one of bodybuilding’s most iconic rivalries ... performance through training, nutrition and ...