Core exercises are key to a well-rounded fitness program. They improve your balance, stability and improve your posture. Research has shown that posture can even affect your moods. Having a strong core can prevent injury and reduce back pain.
Give this quick and effective, moderate core workout a try.  This set includes; 7 movements, 30 seconds each and can be done anytime, virtually anywhere. No equipment required. Work your way up to multiple rounds and longer holds. All you need is the will to move!