The long-awaited rules for the new plank and rowing events on the Navy's fitness test are out, and officials say sailors should be preparing for the biggest changes in years. Sailors cranking out as ...

Core strength testing has come a long way from the straight-legged, twisting sit-ups used before World War II. We've moved on to bent-knee sit-ups, to crunches and now to the plank pose or hanging ...

Core muscles wrap around the midsection like a girdle, forming a connecting link between the upper and lower body. They support, stabilize, and help move your spine, trunk, and pelvis, and most body ...

If you've ever wondered (mid-crunch, most likely) exactly how many sit ups you should be doing every day to optimise your fitness, then you're in the right place - this is exactly the type of question ...

Recruits perform sit-ups on Mar. 2 inside Freedom Hall at Recruit Training Command in Great Lakes, Illinois. (Mass Communication Specialist 1st Class Spencer Fling/Navy) The Navy will shake up its ...

Dr. Shields is a physical therapist with a background in English Literature and a passion for healthcare and education. She hopes to combine her clinical expertise with her love of writing, establish ...