JAWS Force Iso-Lateral Leg Extension

JAWS Force Iso-Lateral Leg Extension

Precision-engineered for unmatched quad engagement and consistent resistance throughout every rep.

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Power, Precision, and Performance

The JAWS Force Iso-Lateral Leg Extension is purpose-built for serious strength training, athletic conditioning, and muscle development. Every detail has been carefully designed to deliver a smooth, consistent, and joint-friendly leg extension movement that allows the quadriceps to be trained with maximum efficiency.

Built using premium materials and advanced engineering, this machine is a flagship example of JAWS’ commitment to combining biomechanical excellence with heavy-duty durability.

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Consistent Resistance with the Multi-Link System

At the heart of the Force Iso-Lateral Leg Extension is its innovative multi-link resistance system. This design keeps the load consistent throughout the full range of motion, ensuring the quads are challenged evenly from start-to-finish.

This even resistance is especially valuable for building balanced strength and muscle development. Instead of the load easing off or peaking unevenly during the lift, the multi-link mechanism maintains a smooth, natural resistance profile, so the muscles remain fully engaged at all points.

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Independent Iso-Lateral Movement

The iso-lateral design allows each leg to work independently. This opens up training versatility and promotes balanced development by ensuring both legs share the workload equally.

• Equal Training Stimulus – Each side moves on its own path, helping develop symmetrical strength and muscle.

• Customisable Loading – Train both legs together, or focus on one at a time for targeted development or recovery work.

• Athlete-Friendly – Ideal for sports-specific training, rehab, muscle building, and performance enhancement.

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Fully-`Adjustable for Every Athlete

The Force Iso-Lateral Leg Extension is designed to fit a wide range of users with ease. Multiple adjustment points ensure that every lifter can find their optimal position for both comfort and performance.

• Adjustable Backrest – Set the seat angle to align hips and knees for maximum quad recruitment.

• Shin Roller Adjustment – Quick and secure height changes to suit different leg lengths.

• Comfortable Entry and Exit – Low step-over height for easy accessibility, even for those with limited mobility.

High-density foam padding and industrial-grade upholstery keep the user securely positioned while providing all-day comfort in high-use gym settings.

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Heavy-Duty Build Quality

Like every product in the JAWS Force range, the Iso-Lateral Leg Extension is built for decades of reliable service.

• Heavy-Gauge Steel Frame – Engineered for maximum rigidity and stability.

• Industrial Bearings & Bushings – Smooth, fluid movement with minimal maintenance required.

• Powder-Coated Finish – Hard-wearing, scratch-resistant, and available in a choice of colours to match your facility.

Every weld, pivot, and component is selected to meet commercial-grade demands while offering a premium lifting feel.

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Muscle Engagement and Training Benefits

The Iso-Lateral Leg Extension is an excellent tool for building size, strength, and definition in the quadriceps. The combination of consistent resistance and iso-lateral independence creates a uniquely effective training experience:

• Maximum Quad Activation – Keeps the quads under constant tension for optimal growth stimulus.

• Improved Strength Balance – Prevents one leg from dominating the lift, supporting long-term joint health and performance.

• Controlled Motion – The movement path supports strict, controlled reps to target the quads without unnecessary strain.

This machine is equally effective for bodybuilding-style hypertrophy work, explosive athletic strength training, or rehabilitation-focused conditioning.

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Technical Specifications

• Range: JAWS Force – Plate-Loaded & Free-Weight Machines

• Target Muscles: Quadriceps (all four heads)

• Frame:Heavy-duty steel

• Bearings: Sealed industrial-grade bearings for smooth operation

• Upholstery: High-density PU-injected foam, industrial-grade vinyl

• Loading: Olympic (2″/ 50mm) weight horns

• Adjustments: Seat angle, backrest position, roller pad height

• Finish: Double-layer powder coat

• Dimensions (D x W x H): 155 x 130 x 120cm

• Product Weight: 185kg

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Versatility in Training

Whether you’re programming for athletes, physique competitors, or general strength development, the Force Iso-Lateral Leg Extension offers broad training flexibility:

• Heavy Strength Sets – Load up for low-rep power work.

• Volume Training – Perform high-rep sets for conditioning and muscle building.

• Single-Leg Isolation – Address imbalances or focus on rehab by training one side at a time.

• Advanced Methods – Drop sets, rest-pause training, and pre-exhaust strategies integrate seamlessly.

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Designed for the Demands of Commercial Gyms

From busy commercial fitness centres to elite strength facilities, this machine is built to withstand constant use while retaining its premium feel.

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Why Choose the JAWS Force IsoLateral Leg Extension?

• ✅ Performance First: Biomechanics and movement quality take priority.

• ✅ Built to Last: Materials and construction designed for years of uncompromising use.

• ✅ Backed by JAWS Expertise: The Gym Revolution are trusted by independent gyms and performance centres.

When you invest in JAWS, you invest in equipment that’s built with the same dedication and attention to detail as the athletes who use it.

Precision Power. Shark Strength. Built for Lifters.

Details of the JAWS Iso-Lateral Leg Extension:

Multi-link construction for consistent exercise resistence. 

Adjustable seat-pad, back-pad, and rollers for different height users comfort.

Weights Storage: 2x Posts as standard.

Dimensions (assembled): See above

Machine Weight: 185kg 

Transport box – plywood (oversized/ double-pallet):  1100 x 1750 x 700 (H) mm (GW: 225kg). Assembly required, unless requested otherwise.

Full-Commercial Use!

Manufacturer Warranty: Frame & welds = 10-years. Handles, guide rods, weight stacks, rotating bearings, rollers, cables = 1-year. Upholstery = 6-months. Excludes misuse and damage.

Made for use with olympic (2″/ 50mm) weight plates. Sold separately. 

Made in all-black as standard. Customisation available on request at an additional charge. Please see drop-down menu selections.