While at first glance a boxer spends most of their time throwing upper-body moves, it’s a strong core that’s responsible for the power behind the punch.
http://www.today.com/
Tone your abs with this 8-minute core workout (msn.com)
While at first glance a boxer spends most of their time throwing upper-body moves, it’s a strong core that’s responsible for the power behind the punch.
http://www.today.com/
Tone your abs with this 8-minute core workout (msn.com)