YORK COUNTY, Pa. — Ever feel a little intimidated trying out plyometric moves like the jump squat or burpee? Well, there are many ways to work them into an exercise routine doable for all fitness ...

Leg day doesn't have to last a long time — just ask ACE-certified personal trainer and Under Armour trainer Ariel Belgrave, who created this 20-minute lower-body HIIT workout. The session is part of ...