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Amazon.com : SPART Leg Extension and Leg Curl Machine, Adjustable Plate Loaded Lower Body Special Leg Machine, Rotary Specialty Weight Machine Develops Waist, Quads and Hamstrings, 660LB Commercially Rated : Sports &
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Gym machine for hamstrings & quadriceps: Technogym Dual Leg Curl / Extension | Technogym United States
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