Muscle D Fitness

Pro Strength Adjustable Kneeling Leg Curl - Silver

Sale price $2,965.00 USD Regular price $3,892.00 USD
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Pro Strength Adjustable Kneeling Leg Curl - Silver
$2,965.00 USD
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Pro Strength Adjustable Kneeling Leg Curl - Silver


Description

The Muscle D Fitness Pro Strength Adjustable Kneeling Leg Curl is a commercial-grade, iso-lateral plate-loaded hamstring machine built for gyms, training studios, and serious strength facilities that demand precision and durability. The kneeling design locks users into a stable position that drives superior peak hamstring contraction - something traditional lying leg curl machines simply cannot replicate. Each leg works independently through iso-lateral movement, ensuring balanced development and eliminating the risk of the stronger side compensating for the weaker one.

Constructed from heavy-duty 11-gauge steel with double-stitched commercial upholstery, this machine is engineered for demanding daily use without compromise. Commercial industrial bearings deliver a buttery-smooth, controlled feel through every rep, while quick pop-pin adjustments make switching between left- and right-leg training fast and effortless. Integrated plate storage and contoured grip handles round out a design that is as practical as it is performance-driven.


Key Features

  • 11-Gauge Steel Frame: Heavy-duty construction built to withstand years of high-volume commercial use.
  • Iso-Lateral Plate-Loaded Movement: Each leg trains independently, correcting strength imbalances and promoting muscular symmetry.
  • Kneeling Design for Peak Hamstring Contraction: Positions the hamstrings in a shortened state at the top of the movement for a stronger squeeze and better muscle activation.
  • Reduced Lower Back Stress: The kneeling setup stabilizes the pelvis, improving hamstring isolation and reducing the tendency to overextend the lower back under load.
  • Quick Pop-Pin Adjustable Roller Pads: Dial in the perfect fit fast, without tools or complicated setup.
  • Quick Pop-Pin Left/Right Leg Switch: Seamlessly transition between unilateral training sides mid-session.
  • Commercial Industrial Bearings: Deliver smooth, consistent motion through every rep for a premium training feel.
  • Double-Stitched Commercial Upholstery: Reinforced padding stands up to heavy daily use and multiple users.
  • Contoured Grip Handles: Promote proper stabilization and upper-body bracing throughout the movement.
  • Integrated Plate Storage: 4 storage horns with 12" weight pegs keep plates organized and within easy reach.

Why You'll Love It

The Muscle D Fitness Pro Strength Adjustable Kneeling Leg Curl is trusted by commercial gyms and professional training facilities that refuse to compromise on quality or performance. Its iso-lateral kneeling design delivers a level of hamstring isolation that sets it apart from conventional leg curl machines, making it a go-to choice for coaches and trainers focused on developing real, measurable strength balance in their athletes. The 11-gauge steel frame and commercial-grade components are engineered for years of dependable use, even under the demands of multi-user, high-frequency environments. With tool-free pop-pin adjustments and a no-limit user weight capacity, it accommodates a wide range of athletes without slowing down your floor. Backed by a 10-year structural warranty, this machine is a confident, long-term investment in the quality of your facility.


Product Specifications

View Product Specs
SKU PL-SW-KLC
Dimensions (L x W x H) 54" x 57" x 52"
Recommended Live Area 90" x 93" x 52"
Machine Weight 325 lb
Frame 11-gauge steel
Upholstery Double-stitched commercial-grade
Movement Type Iso-lateral plate-loaded
Weight Storage Horns 4 storage horns
Weight Pegs 12" weight pegs
Starting Resistance 10 lb
Max User Weight No limit
Structural Warranty 10 years
Moving Parts & Wear Items Warranty 3 years
Wear Items Warranty 1 year
Paint, Upholstery & Cosmetic Warranty 90 days
Labor Warranty 90 days
Assembly Assembly options available at checkout (curbside, garage delivery, warehouse pre-assembly, or full installation)
Shipping Ships freight; delivery and installation options selected at checkout

FAQ

What is the difference between a kneeling leg curl and a lying leg curl?

A kneeling leg curl places you in an upright kneeling position, which shortens the hamstrings at the top of the movement and creates a stronger peak contraction compared to the lying leg curl. It also stabilizes the pelvis more effectively, reducing unwanted lower back involvement and allowing for more targeted hamstring isolation. Many strength coaches prefer the kneeling design for serious hamstring development.

What does iso-lateral mean and why does it matter?

Iso-lateral means each limb operates independently - in this case, each leg curls separately rather than both legs moving together. This prevents your stronger leg from compensating for your weaker one, which is common on bilateral machines. Over time, iso-lateral training corrects strength imbalances, improves muscle symmetry, and reduces injury risk.

Does this machine require weight plates, and what size plates fit?

Yes, this is a plate-loaded machine, meaning weight plates are not included and must be added separately. The machine features 12" weight pegs on 4 storage horns and has a 10 lb starting resistance. Standard Olympic plates are compatible. The plate-loaded design gives you full control over resistance progression.

What assembly and delivery options are available?

Several delivery and installation options are available at checkout, including curbside delivery, garage delivery with no unpacking, warehouse pre-assembly, and full assembly and installation. Due to the size and weight of this machine (325 lb), freight shipping is used. If you need help choosing the right option for your facility, contact our team before placing your order.

What warranty does this machine come with?

The Pro Strength Adjustable Kneeling Leg Curl is backed by a 10-year structural warranty, a 3-year warranty on moving parts and wear items, a 1-year warranty on wear items, and 90-day coverage on paint, upholstery, cosmetic items, and labor. To activate your warranty, register your product at muscledfit.com after purchase.

Is there a weight limit for users on this machine?

No - this machine has no stated maximum user weight limit, making it suitable for a wide range of athletes in commercial and institutional settings.

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