But what isometric ab exercises are best for the core? To find out more, I watched this four-minute video, that shows you how to do 16 different isometric ab holds.

A personal trainer shares the "tuck crunch" exercise as an alternative to planks if you want to build a strong and stable ...

The stomach vacuum is an isometric ab exercise that strengthens the core. Physical therapists say it's effective at working the abs and reducing back pain.

Forget sit-ups and crunches: When it comes to building strong, stable abs, isometric exercises, when added to a strength training routine, have been found to build a powerful body. In fact, isometric ...

Isometric exercises hold tension in an exercise. ... Speaking of planks—side planks shouldn't be overshadowed by their parent exercise. Add these into your ab circuit to put some tension on the ...

The stomach vacuum exercise involves breathing out air while sucking in the stomach to engage the core. It is an isometric exercise to strengthen the core muscles. The abdominal muscles ...

Florida man Bob Schwartz, 80, sets record by holding a plank for 50 minutes at Ocean Reef Fitness Club, showcasing ...

Isometric exercises are considered generally safe for most people, ... To get into a plank position, lie flat on your stomach and then lift yourself up onto your forearms.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty images The horizontal ab squat is a core exercise that strengthens your lower ...

Repeat for five sets; three-four times a week. Brennecke says she first learned about the isometric abs exercise when she pursued her doctorate in physical therapy, where they refer to the move as ...