Knee Extension

Zero Degree Knee

The Zero Degree Knee is a surgeon designed foam cushion that creates the optimal knee extension needed following a total knee replacement, arthroscopic knee surgery or ACL surgery.  It is used by knee surgeons across the country to ensure their patients are in the right position to achieve full knee extension, while also providing the precise leg, knee, ankle and toe position angles needed to start a successful recovery. The ZDK is ideal for knee surgery therapy.

  • Help your patients recover faster and reduce chances of post-op complications
  • Elevate the heel to create adequate free space posterior to the knee, to allow for full knee extension.
  • Keep the toes pointed toward the ceiling in a neutral position.
  • Prevent external rotation of the foot, and eliminate associated flexion at the knee.
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Benefits of the Zero Degree Knee

The Zero Degree Knee is the ideal knee surgery therapy cushion at it eliminates the use pillows, blankets, or other solutions to maintain post-op knee extension. Makeshift solutions for post-op knee recovery do not adequately prevent internal rotation of the foot or support full extension of the knee.  The Zero Degree Knee was designed by a surgeon who was having trouble maintaining optimal post-op knee extension. We solved this problem by developing a foam cushion that creates the consistent optimal knee extension needed following a total knee replacement, arthroscopic knee surgery, or ACL surgery.

The ZDK is used by thousands of patients across the country, and is specified in post-op instructions by knee surgeons to ensure their patients experience the precise leg, knee, ankle and toe position angles needed to start a successful recovery. It also reduces the need to use  unstable and unreliable solutions patients might make on their own using pillows or towels to prop up their leg. The Zero Degree Knee adds more stability and consistency to patients’ recovery. Implementing the Zero Degree Knee as part of your patients’ in-home rehab is critical to reducing pain and getting back to their everyday activities. Key benefits are:

A) Increases the stability of the patients knee during the critical days after knee surgery.

B) Patients never have to rehab with unstable bed pillows again.

C) Simplifies your patients’ rehab with a consistent and stable surface.

D) May help with faster knee replacement recovery time and reduce the chance of post-op complications.

Zero Degree Knee extender
  • Elevates the heel creating free space posterior to the knee allowing full knee extension
  • Maintains a neutral position with toes pointed upward
  • Prevents external rotation of the foot, eliminating flexion at the knee

ZDK Home Care Procedures and Insights

The Zero Degree Knee can be useful following several types of knee surgery.  Its unique design has been shown to significantly aid in the successful recovery from total knee arthroscopy, knee replacement, ACL reconstruction, and other knee surgeries.

The purpose of the Zero Degree Knee is to prevent internal rotation of the foot and consistently allow for full extension of the knee. This process has the following benefits:

1) Maximize post-recovery range of motion

2) Speed up recovery time

3) Stabilize knee during rehab

4) Can reduce pain medication consumption

Maximize Range of Motion

By placing the knee in extension in the days following surgery, your patients are on the right path to regaining full range of motion.  The faster they regain range of motion after surgery, the faster they will be back on their feet fully recovered. Failure to practice extension within the first few weeks of recovery, could cause a setback in throughout recovery and cause long-term adverse effects to the knee.  Gaining back the full range of motion is part of the road to recovery, it doesn’t happen overnight, and patients must use the Zero Degree Knee to provide proper alignment and healing.

Speed Recovery Time

Measurements of  extension and flexion are key metrics in determining how fast your patients are regaining normal movement.  With a dedicated knee extension practice in place, they will leave behind stiffness, soreness and immobility.  A product designed specifically for their goals like the Zero Degree Knee will give your patients the tools to succeed throughout the recovery and speed up the process.

Stabilize the Knee During Rehab

Mitigating any sort of risk while your patients recover at home will be essential to a proper recovery.  Pillows, towels and other makeshift household tools can cause major setbacks in the recovery process by increasing risk for unstable surfaces and unexpected bending of the knee or a potential fall. A stable solution for all exercises during rehab should be prioritized.  Placing pillows are towels underneath the knee can result in set-backs, keeping the knee as straight as possible is ideal.

Reduce Pain Medication Consumption

Having a major surgery is scary, and painful, which often opens the door to using pain medication.  Using prescription drugs can help ease the immense amount of pain, but it’s no secret that they can also have the serious adverse effects of addiction. Taking proper steps to your patient’s recovery by doing intended exercises to regain range of motion, and getting knee extension back to zero degrees, will speed up their recovery time resulting in less pain medication consumption.

A surgeon prescribed the Zero Degree Knee for several patients and I couldn’t believe how well it improved leg extension. The Zero Degree Knee greatly decreased time to full extension, while maintaining a vertical foot position. I am extremely pleased with this product! I would recommend this to every therapist having trouble getting zero degrees of knee extension. This is a great product that really works.