The XMark Power Tower will provide defined abs, stronger arms, a well developed chest, and a strong back. The chin-up/pull-up bar works the arms and back, push-ups place focus on your chest, while the vertical knee raise station targets your core and abs. Twin dip handles are ergonomically spaced to help give a great dip workout to strengthen arms and shoulders. Also included is a sit-up station with adjustable padded foot bar for additional abdominal work. Simple, basic, rugged and, most of all, effective, the XM-4432 power tower enables an impressive list of exercises packed into one product. A diverse yet powerful workout is yours with XMark, the mark of excellence.