The TRUE FORCE SD-1000 Leg Extension/Leg Curl machine provides users an all-encompassing leg workout. The SD-1000 Leg Extension/Leg Curl machine has revolutionized the ability to transition from extension to curl exercises, allowing users to target both their quadriceps and hamstrings with one piece of equipment. As a piece of multifunctional gym equipment, this leg extension and leg curl machine saves you floor space in the gym, eliminating the need for multiple machines and streamlining your members’ workouts.
Like the rest of the FORCE Series, all adjustments for both exercises on this leg extension/leg curl machine are clearly labeled to provide users with extreme ease of use.
Key Features
- Dual Exercise Functionality Seamlessly switch between leg extensions and leg curls with clearly labeled, user-friendly adjustments.
- 3 Starting Positions Per Exercise Customize range of motion for both extensions and curls to match your flexibility and goals.
- Multi-Position Back Pad One-way ratchet system allows quick adjustment, with lumbar support wings and integrated head pad for enhanced comfort.
- 4-Position Ankle Pad Easily adapts to users of all sizes and improves alignment throughout the movement.
- Fixed Shin Pad Enhances stability during leg curls without requiring extra setup.
Design & Finish
- Powder Coat Finish: Matte Black
- Seat Vinyl: Black (standard)
- Frame Color Options: Custom frame finishes available

Features:
- Multi-position contoured back pad with lumbar support wings and integrated head pad
- 3 starting positions for both leg extension and leg curl exercises
- 4-position ankle pad adjusts easily
- Fixed shin pad provides stability during leg curl exercise
Physical Specifications
Dimensions (L x W x H) | 58” x 48” x 57” / 147 cm x 122 cm x 145 cm |
Machine Weight | 517 lbs / 234 kg (standard weight stack) or 597 lbs / 271 kg (heavy weight stack) |
Weight Stack Options | 175 lbs / 79 kg (standard weight stack) or 255 lbs / 116 kg (heavy weight stack) |
Color | Frame comes standard with matte black powder coat finish. Custom frame and upholstery options available. |
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Frame components and welds, excluding coatings.
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10 Years
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Bushings, sealed rotating bearings, pulleys, weight plates, and guide rods, excluding coatings.
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5 Years
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Parts and labor: Cables, linear bearings and shafts, and all other components not mentioned elsewhere in this warranty.
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1 Year
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Parts and Labor: Cosmetics, coatings, grips, and upholstery.
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6 Months
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