1
A jackknife is an abdominal exercise. This exercise is also known as a "V-Up". Jackknife exercises are designed to strengthen the upper and lower abdominal muscles, particularly the transversus abdominis muscle.
2
Ab rollers are a tough, if not enjoyable, method to build on core strength. Nonetheless, despite their primary emphasis, they can provide other advantages. Ab rollers can also assist to build stability in your lower back and hips, which can improve your performance in other sports.
3
Plank is one of the best calorie burning and beneficial exercises. A plank hold engages multiple muscles at once, thereby benefiting the core strength of your body.
4
As a compound exercise that utilises multiple muscle groups in your whole body, mountain climbers are an effective way of strengthening your arms, back, shoulders, core and legs.
5
The reverse crunch is even better than the standard crunch for strengthening your abs. The move keeps your muscles under tension for a longer period and hits the tricky-to-target lower abs particularly hard.