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Dynamic Footrests

Revolutionizing the Dynamic Footrest

Dynamic FootrestThe dynamic footrest provides an energy absorbing range of motion. Traditional wheelchair footrests only provide a place to park the foot and, when subjected to significant forces, may be damaged. Dynamic footrests absorb the energy transmitted by the user’s movement, protecting the client from injury and the equipment from damage as well as providing movement for therapeutic benefits.

We recently began shipping a redesigned version of the Dynamic Footrest.  This redesign increases strength and durability, makes footrest angle adjustment easier, and provides a smooth surface at the client contact area.

1.       The previous four screws used for the pivot axle and setting the knee angle have been replaced by one screw and two cover plates.

2.       The two-piece side plate design has been replaced by a one-piece laser cut and formed hanger bracket, providing more precision by eliminating potential error caused by welding.

3.       The inside and outside cover plates incorporate the pivot axle and locating pin for setting the knee angle, in addition to a new smooth contact surface.  The cover plates include laser engraved indicators, making angle setting as simple as pointing the desired angle arrow up and inserting the Dynamic Footrest into the hanger bracket.  If the number can be read like a book, the angle is set.

4.       The entire assembly is clamped together by one 6mm screw which is easily accessible, located in the outside cover plate, flush with the surface.

Clinical Applications:

Dynamic Footrests provide up to three types of movement – a telescoping downward movement, knee extension, and plantar/dorsi flexion. By providing movement in response to client movement, forces are absorbed, protecting both the client and the wheelchair frame and seating system from harm. Extensor tone is absorbed and diffused, reducing overall tone and posturing. Movement is provided, which can increase sitting tolerance, decrease agitation, and increase alertness. Finally, by providing movement within a limited range, the lower extremities may experience strengthening.

Telescoping FootrestSome clients may benefit from only the telescoping feature. This client may have very tight hamstrings which limit active knee extension. The telescoping feature can still absorb and diffuse force.
Knee extension, in combination with the telescoping feature, follows the natural arc of movement which occurs when the knee is straightened.

When the lower extremity is extended, extension may be seen at the hip, knee, and even ankle (plantar flexion). The plantar/dorsi flexion dynamic movement absorbs this force at the ankle.

Sample Medical Justification Wording for use in Documentation

"What an amazing addition to our world!! The dynamic foot rests have changed my son and our family's every day for the better. For years we have struggled to find a dynamic foot rest that could absorb my son's remarkable and incessant spasticity in order to keep him seated properly and prevent orthopedic and respiratory concerns. We could see a HUGE difference right from the start. The need to reposition him every few minutes was almost completely gone. The support of the company has also been amazing for our many questions and concerns. We can't wait to see the next dynamic products developed!"One of my families who would be happy if you put this on your website:
Thank you,
Sheila M. Blochlinger, PT
Manager of the Rehabilitation Technology Department
Children’s Specialized Hospital

Separate footrests capture movement in each leg during extension.

Movement at the legs diffuses tone and limits movement upward at the pelvis.

This video demonstrates the three movements available in the Seating Dynamics Dynamic Footrests.


Dynamic Footrest Specifications

Footrest Adapter/Receiver

The first step in using any of the Seating Dynamics footrests is choosing the correct adapter / receiver. The Seating Dynamics footrest adapter / receiver allows any of our dynamic or static footrests to be used on many different wheelchairs. Depending on wheelchair manufacturer and model, different adapters may impact the final installed footrest length.

An offset receiver is available on some wheelchair bases which moves the Dynamic Footrest laterally by 1 inch.

Dynamic Footrest Style

The second step is the determination of the upper leg style.

Dynamic Wheelchair Footrest

The dynamic footrest, shown above with dynamic plantar dorsi flexion, provides dynamic telescoping movement to 1.5″ and dynamic elevation to 30° with the ability to set the initial (neutral / relaxed) position in one of five positions (90°, 80°, 70°, 60° and 50°).

Seating-Dynamics-Knee-Rotation-Dial. on footrest

Outside knee for adjustment

Dynamic Adjustable Knee Option (dynamic knee extension and telescoping)

The Adjustable Knee Joint allows adjustment in 10 degree increments (90, 80, 70, 60 and 50).

Dynamic Adjustable Knee Option (dynamic telescoping only)

The Adjustable Knee Joint allows unlimited adjustment in 7.5 degree increments. This option can be used with a telescoping dynamic footrest, but not with a dynamic elevating option.

Adjustable Windswept Option

The windswept dynamic footrest provides the same functions with the addition of an angle adjustable joint to rotate the footrest in or out, relative to the seat rail, in 7.5° increments to accommodate a windswept tendency. This option is not available on Dynamic Footrests with only the telescoping feature. The windswept option is available on both Dynamic Knee extension and non-dynamic / adjustable knee.

Adjustable High Pivot Option


Inside knee

The adjustable high pivot dynamic footrest features a 4.5″ raised pivot and height adjustment capable of raising the pivot point an additional 2” in ½ inch increments (for a total of 6.5” above the seat rail). This style is used with clients who have a shorter leg length and/or when seating equipment is added above the seat rail (such as a high profile cushion) which decreases the required footrest length as the knee is so much higher than the seat rail. The Reverse Offset (only available in Static P/D style) is also appropriate for clients with a shorter leg length and is indicated when the client has hip abduction which may lead to contact between the high pivot hardware and the lateral knees. The Reverse Offset eliminates this contact, while still accommodating shorter leg lengths.

Plantar/Dorsi Flexion Footrest Extension

The third step is to select either static or dynamic plantar/dorsi flexion. The extensions are available in several lengths in 1” increments, each having 2.5″ of leg length adjustment.

The static extension style offers no movement of the ankle and is appropriate for clients with AFO’s. The footplate is infinitely angle-adjustable with tools.

The dynamic extension style has ± 10° of dynamic plantar/dorsi flexion movement. The footplate is infinitely angle-adjustable with tools.


The fourth step is to select the appropriate size footplate. We offer small (4×6), medium (5×8) and large (6×10) foot plates. This is determined by the length of the client’s foot, the footrest style, chair width, caster size, and seat to floor height. Our footplates are heavy duty ¼” aluminum with pre-drilled holes for mounting foot positioning accessories. All footplates used with the plantar/dorsi flexion footrest extension are infinitely angle adjustable with tools. Most clients will require ankle straps or shoe-holders to maintain contact with the footrests during extension. The footplates flip-up for transfers.

1 piece dynamic footboard

One Piece Footboard

There are times when standard footplates do not meet the needs of an individual client and a footboard is required instead.

The Seating Dynamics Footboard can be used on numerous wheelchairs. The Dynamic Footrest version does not flips up for transfers.

Why use a Footboard instead of Foot Plates?

Depending on available range of motion or contractures of the knee and ankle joints, a client’s foot position may not align with a standard foot plate position. A footboard provides a wider surface to accommodate unique foot placements. Other Seating Dynamics hardware (listed above) can also be used to accommodate these needs.



Dynamic Footrest Maintenance

The resistance of the telescoping section can be adjusted by changing a spring. Medium (Blue) is the default resistance and a Soft (Yellow) and Firm (Green) spring are included. The resistance of the elastomers in the knee joint can be changed from the Medium default (Blue) to Soft (Clear), which should only be done when the users strength cannot overcome the resistance of the Blue elastomer. The resistance of the elastomers in the ankle joints cannot be changed. The elastomers in both joints should be checked annually to determine if replacement is required due to wear and tear. Please refer to our blog on this topic, Determining Resistance for the Dynamic Footrest.

Instructions on changing the Dynamic Footrest springs and elastomers

Video: How to measure for the footrest

Video: How to adjust the anti-rotation screw

Seating Dynamics Dynamic Seating Sample Medical Justification Wording

Contact us today for a consultation, quote, or for more information.