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TuffStuff Bio-Arc Leg Extension (BA-707) is a great way to improve your exercise facility’s leg training circuit.  Part of TuffStuff’s most innovative commercial strength series, the Bio-Arc Leg Extension is specifically designed and tested for optimal biomechanics.  The result is a machine that maintains hip angle/pelvic tilt to optimize muscle length throughout the entire range of motion.

  • Optimal Mechanics for Muscle Activation
  • User’s body moves along a linear arc trajectory to optimize muscle recruitment
  • Maintains hip angle / pelvic tilt to optimize muscle length
  • Greater muscle contraction during full extension
  • Free flow leg roll automatically adjusts to different leg lengths
  • Quick release allows for easy adjustments
  • Custom upholstery and frame colors available
  • Full Commercial Warranty

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