Interested in an exercise to make your abs feel the burn of working muscle? Give this one a try! If you neck gets tired, do less than 100. Gradually work your way up to more reps as you build the deep core strength to support your neck and head.
Interested in an exercise to make your abs feel the burn of working muscle? Give this one a try! If you neck gets tired, do less than 100. Gradually work your way up to more reps as you build the deep core strength to support your neck and head.