NewLeg extension machine built for isolated quad development and controlled leg extension movement throughout the full range of motion.
The K9™ Leg Extension delivers pure quadriceps isolation with a smooth cam-driven strength curve. Adjustable start position, contoured shin pad, and ergonomic seat make this machine dial-in ready for every user on the highest-traffic commercial floors.
Biomechanically tuned strength curve loads the target muscle group through a full, unbroken range of motion.
11-gauge mainframe with CNC-machined pivots, sealed bearings, and powder-coated finish built for daily commercial use.
Precision linkage and self-lubricating pivots deliver a smooth, controlled arc under any load.
Engineered for 10,000+ cycles without performance degradation — commercial gyms, universities, sports performance.
Every K9™ machine is engineered around a single obsession — a premium commercial training experience that lasts.
Whether you're outfitting a commercial gym, university, hotel, apartment community, athletic performance center, or tactical training facility, Dawg Built is ready to help.