Your core is relatively easy to train train, but visible results (a.k.a., sexy, chiseled abs) can remain elusive. While diet is certainly the most important factor in sculpting a shredded mid-section, it’s absolutely essential that you train your core regularly to maintain that sexy, toned tummy (essential during the summer months!).
Crunches are primarily a core strengthening exercise which work the pectorals major, rectus abdominals, external obliques, internal obliques and transverse abdominals.
Leg Raises are a great way to workout your abdominal muscles. They’re a strength training exercise used for strengthening the rectus abdominis and hip flexors.
Planks help build strength in your core, upper and lower body, ideal for building endurance in the abs, back and core.