By Pat Gallen

PHILADELPHIA (CBS) — There are many faces during a tough workout, but this is not just any tough workout — this is CorePower Yoga.

“Yoga sculpt is definitely its own beast,” says manager Christy Klach. “It’s really great. So we incorporate light weights, and we use that with basic yoga postures to build intensity.”

READ MORE: 'Nothing Is Off Limits': SEPTA Announces New Initiative Aimed At Improving Regional Rail

Cops Go To 8-Year-Old Boy’s Birthday Party After No One Shows Up

Working your core can be grueling. Practicing yoga is a test of strength and coordination.

“It’s definitely not your traditional yoga class. But you still get your ohm on,” says instructor Josie Rosa-Gatlin. “It’s a nice balance. You start with traditional yoga, but in between, it’s really high-powered, high energy, great music.”

READ MORE: 2 Suspects In Custody For Deadly Beating Outside Pat's Steaks In South Philadelphia

And it’s for all fitness levels. Take it from Josie, who takes the class and instructs while pregnant.

It’s a relaxing, engaging, thorough, yet extremely tough workout.

Social Media Having Fun Trying To Define Trump’s ‘Covfefe’

Was Pat Gallen ready for a fitness experience like no other?

MORE NEWS: WATCH LIVE: Family Files Lawsuit In Shooting At Pleasantville High School Football Game That Killed 10-Year-Old Micah Tennant

Take a look at the video above to see the crazy faces he makes during an intense “CPY” workout.