If core muscles are tired or weak, the ligaments in your back take over and can become strained. Exercises like side planks and dead bugs work the deep muscles of the inner core, like the pelvic ...

This appears to be the case, to a rather stunning extent, in the instance of the reporting this week around new findings that researchers say shows the rotation of Earth’s inner core is slowing ...

To add an element of challenge, she placed a 5-kg weight plate on her inner thigh ... This exercise intensifies the engagement of core muscles, the obliques and transverse abdominal muscles ...