Life Time Fitness instructor Joseph David explained how many crunches you should be able to do at each age and what it reveals about your health if you can’t meet the target.

Doing crunches is a great way to build your core strength, but that can only happen if you're doing them correctly. Here, a trainer explains how to do them properly.

Instead of focusing on exercise ball inflation pressure, focus on the ball's intended diameter, which is noted on the packaging and sometimes on the ball itself.

Using an exercise ball in a strength-training workout can improve stability, balance, and proprioception. Try this exercise ball workout to gain the benefits.

Fifty crunches a day really is nothing in the scheme of things. Each day I spent no more than a solid minute in the crunch ...

Crunches are another enduring bodyweight exercise. Here's what the exercise is, which muscles it works and why crunches are so good for overall health. How to do crunches?

Wall balls are the notorious last workout station in HYROX. Here's how to perfect your wall ball form, plus tips and workouts to build capacity and performance ...

Crunches and situps are both ab exercises that target your core, but they aren't the same. Here's how to choose the best exercise for your fitness goals.

A fitness trainer shared how many crunches people should be able to do according to their age. Here's what to know about the main benefits of the exercise.