A person who has torn their ACL has

(during initial 12-months after ACL reconstruction)

50%

60%-80%

of ACLinjuries

occur in

2x

of ACL injuries are

Risk of ACL injury to the opposing (opposite) knee is

that of thereconstructed knee (all sports)

27%Same study showed another

BRACING REDUCES INJURY RATESAMONG COLLEGE PLAYERS VS. UNBRACED PLAYERS

returned to play but didn’t perform

at the same level before ACL tear

30%Recent clinical study showed that

OF HIGH SCHOOL/COLLEGE FOOTBALL

players didn’t return to play after ACL reconstruction. Fear of re-injury was the primary reason

Numerous high-profile athletesin college and professional footballrely on DonJoy knee bracing toallow them to compete

23 25OFAP

TOP

23 of AP Top 25 college teams trust the DonJoy Defiance knee brace toprotect their players from ligament injuries

Many professional football players (from all positions) rely on the DonJoy Defiance knee brace to

rehab or prevent injury.

DonJoy knee bracing is endorsed by theProfessional Football Athletic Trainers Society (PFATS)

1. Paterno MV. Paper #2. Presented AOSSM Annual Meeting; July 11-14, 2013; Chicago.

2. Gri�n LY, Albohm MJ, Arendt, EA, et al. Understanding and Preventing Noncontact Anterior Cruciate Ligament Injuries: A Review of the Hunt Valley II Meeting, January 2005. American Journal of Sports Medicine. 2006 34:9. 1512-1532.

3. Arendt EA, Agel J, Dick R. Anterior cruciate ligament injury patterns among collegiate men and women. Journal of Athletic Training, 1999; 34(2):86-92.

4. Wright RW, Magnussen RA, Dunn WR, Spindler KP, Ipsilateral Graft and Contralateral ACL Rupture at Five Years or More Following ACL Reconstruction. Journal of Bone and Joint Surgery, Am. 2011;93:1159-1165.

5. Spindler et al. Return to High School and College-Level Football After Anterior Cruciate Ligament Reconstruction. Am J Sports Med. Published online Aug. 24, 2012.

6. Beynnon BD, Pope MH, Wertheimer CM, Johnson RJ, Fleming BC, Nichols CE, Howe JG, Journal of Bone & Joint Surgery, Am. 1992; 74:1298-1312.

7. Beynnon BD, Fleming BC, Peura G, Johnson RJ, Renstrom PA, Nichols CE, Pope. The E�ect of Functional Knee Bracing in the Anterior Cruciate Ligament in the Weightbearing and Nonweightbearing Knee. 1995. 41st Annual Orthopedics Research Society Meeting.

8. Beynnon BD, Johnson RJ, Fleming BC, Peura G, Renstrom PA, Nichols CE. The E�ect of Functional Knee Bracing on the Anterior Cruciate Ligament in the Weightbearing and Nonweightbearing Knee.American Journal of Sports Medicine. 1997; 25(3):353-360.

9. Birmingham T, Bryant D, Gi�n J, Litchfield R, Kramer J, Donner A, Fowler P. A Randomized Controlled Trial Comparing the E�ectiveness of Functional Knee Brace and Neoprene Sleeve Use After Anterior Cruciate. American Journal of Sports Medicine. 2008, 36:4. 648-655 Ligament.Reconstruction

10. Queen R, Butler RJ, Dai B, Garrett WE. E�ects of Knee Extension Constraint Bracing on Lower Extremity Motion Patterns in Post-ACL Reconstruction Patients. Interium Report of 6-12 month data from the ongoing study, 2012.

11. Yu B, Herman D, Preston J, Lu W, Kirkendall DT, Garrett WE. Immediate E�ects of a Knee Brace with a Constraint to Knee Extension on Knee Kinematics and Ground Reaction Forces in a Stop-Jump Task. AJSM. 2004; 32:1136-1143.

12. Albright JP et al. Medial Collateral Ligament Knee Sprains in College Football: E�ectiveness of Preventative Braces. American Journal of Sports Medicine. 1994 22:1. 12-18.

13. Sitler M et al. The E�cacy of a Prophylactic Knee Brace to Reduce Knee Injuries in Football. A Prospective , Randomized Study at West Point. American Journal of Sports Medicine. 1990; 18(3):310-315.

14. Walters DR. Research Tackles Prophylactic Knee bracing. Biomechanics. December 2000; 7:12, 34-37.

PREVENTION

4-Points-of-Leverageframe design providessignificant strain reductionon the ACL

Knee Bracing O�ersincreased patient confidence afterACL reconstruction

DonJoy's

FourcePoint Hinge Technology provides:• improved joint mechanics

• improved symmetry between both knees• increased flexion angles

(helps keep knees out of the "at risk" position)

Strong lightweight carbon fiber provides strength and protection.

In a 2 year study (Division 1 program),

days lost to knee injury reduced 91%through use of customprophylactic knee bracing

greater risk of a second ACL injury1

year olds2

3

4

5

5

5

6,7,8

9

12,13

10

10

11

14

FourcePointTechnology

anteriorthigh

anchor

anterior tibiastrap applies an

active constant loadto prevent anterior

tibial translation

1

lowerthigh strap

pushesfemur

anteriorly

3

posteriortibia

anchor

24

PSYCHOLOGICAL FACTORS(PRIMARILY FEAR OF RE-INJURY)INFLUENCE THE ABILITY TORETURN TO PLAY.

Resistance engages in last 25° of extension

PROTECTION

DonJoy was founded in 1978 in a Southern California garage by Philadelphia

Eagles O�ensive Line Captain Mark Nordquist and local lawyer Ken Reed.

Today, we provide bracing for some of the world’s top professional athletes,

as well as thousands of professional, collegiate and high school football

teams. DonJoy is proud to support and protect athletes of all ages, at every

level, from back-yard games to football’s biggest stage.