Try 'the plank' for core strength. Basically, you're lying face down, keeping your body rigid (like a plank), with only your toes and forearms touching the floor. Keep dead straight. Neck straight too. Don't stick your arse in the air or sag. Hold it. Rest, repeat etc, build up the time you can hold it.
Try 'the plank' for core strength. Basically, you're lying face down, keeping your body rigid (like a plank), with only your toes and forearms touching the floor. Keep dead straight. Neck straight too. Don't stick your arse in the air or sag. Hold it. Rest, repeat etc, build up the time you can hold it.