A strong core results in fewer injuries, better posture and balance ... it also includes deep muscles in your pelvis, hips and back; smaller stabilizing muscles along your spine; and your diaphragm.

Both muscle groups are important, but the deep core supports your spine ... ability, and any injuries, but generally speaking, the sweat spot is around three times a week, says Dinkins.

It targets the deeper muscles and "teaches your core to stabilize your spine, which is important for functional strength and preventing back injuries." Lie on your back and reach your arms ...

The muscles underneath and incorporated into the skin form into bundles that allow the rabbit to move its skin and hair, helping it avoid skin injuries. However, if their skin is damaged, rabbits have ...