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DONJOY Fullforce Ligament Knee Brace

FOUR-POINTS OF LEVERAGE DYNAMIC SYSTEM
This patented technology was developed to reduce the strain on the ACL by distributing the load placed on the ligament via four points.

FOURCEPOINT HINGE TECHNOLOGY (STOP KIT NOT INCLUDED)
Makes you less likely to suffer from an ACL injury because it reduces the amount of time your knee is in an "at risk position", enhances the Four-Points of Leverage by increasing the posterior load applied by the brace on the tibia, and improves your natural gait by applying progressive resistance before reaching a firm end point duing movement.

STRONG AIRCRAFT GRADE ALUMINUM FRAME
You get the benefits of a lightweight and low profile knee brace that is also stronger, thicker, and more stable than the other lightweight knee braces on the market.

SWIVELING, INTERNALLY MOUNTED STRAP TABS
Get a perfect fit by molding the brace to your knee, as well as enhance the fit and suspension of the brace with the swiveling strap tabs.

Designed to Treat and Protect:

  • MODERATE TO SEVERE ACL INSTABILITIES
  • MCL OR LCL INSTABILITIES
  • AFTER ACL RECONSTRUCTION SURGERY
  • CI REPRESENTS COMBINED INSTABILITY. IT WILL ADDRESS
    BOTH ACL AND PCL INSTABILITIES.
  • MENISCUS INJURY
  • HYPEREXTENSION

Best For:

  • BASEBALL
  • CYCLING
  • FOOTBALL (PRACTICE)
  • HOCKEY
  • LACROSSE
  • WALKING & HIKING

A Lightweight Brace That Provides Complete ACL Protection 


The DonJoy FULLFORCE knee brace is one of the most powerful and clinically proven solutions for protecting the ligaments of the knee, especially the ACL, from injury.

The FULLFORCE is most commonly worn by competitive athletes who suffer from any of these conditions, can't afford to be weighed down by a heavy brace, and are not trying to prevent contact or impact related injuries (like a football lineman might want to do).

This knee brace is designed to provide complete protection of the knee for competitive athletes.

who are at the greatest risk for injuring their ACL. Utilizing DonJoy's 4-Points-of-Leverage system and the FourcePoint hinge, knee instabilities are continually corrected. This means an injury doesn't have to occur for this brace to work - it significantly decreases your chance of getting hurt in the first place!

Sizing Chart:

SizeThighKnee CenterCalf
XS13" - 15.5" (33-39 cm)12"-13" (30-33 cm) 10"-12" (25-30 cm)
S15.5" - 18 .5" (39-47 cm)13"-14" (33-35 cm) 12"-14" (30-35 cm)
M18.5" - 21" (47-53 cm)14"-15" (35-38 cm) 14"-16" (35-40 cm)
L21" - 23.5" (53-60 cm)15"-17" (38-43 cm) 16"-18" (40-45 cm)
XL23.5" - 26.5" (60-67 cm)17"-19" (43-48 cm) 18"-20" (45-50 cm)
XXL26.5" - 29.5" (67-75 cm)19"-21" (48-53 cm) 20"-22" (50-55 cm)
XXXL29.5" - 32" (75-83 cm)21"-23" (53-58 cm) 22"-24" (55-60 cm)

Center Knee1.Stand with your legs shoulder-width apart, legs slightly bent and leg muscles contracted.
6 in Above2. Measure up six inches from the center of your knee with a tape measure, as shown.
Thig Circle3. Measure the circumference of your thigh at the 6-inch mark, as shown.
6 in below4. Measure down six inches from the center of your knee with a tape measure, as shown. Then measure the circumference of your calf at the 6-inch mark.