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Prevention And Rehabilitation For Acl Injuries PowerPoint Presentation

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Description : Check out this medical PowerPoint presentation titled "Prevention and Rehabilitation for ACL injuries”.

This medical PowerPoint presentation is about anterior cruciate ligament (ACL), one of the major ligaments in the knee joint. ACL injuries are common among athletes and active individuals. The ACL can be injured in several ways, including sudden stops, changes in direction, and landing from a jump. ACL injuries can be prevented and rehabilitated through various strategies.

Tags : ACL injuries, anterior cruciate ligament, knee joint, Orthopaedic Surgery, Orthopaedic Surgery PowerPoint presentation

Published on : Jun 20, 2023 | Views : 836 | Downloads : 5

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Slide 1-

Prevention and Rehabilitation for ACL injuries Aimee.R.Burnett@hitchcock.org
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Objectives Brief understanding of prevalence and risks of ACL injuries Understand knee mechanics and importance in protecting the ACL Familiar with the components of ACL prevention program
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What is the ACL anyway? ACL – anterior cruciate ligament 1 of 4 ligaments in the knee joint Provide stability by limiting the tibia (lower leg bone) from moving forward in relation to the femur (upper leg bone) Limits rotation of the knee joint
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ACL injuries/tears Contact vs. non-contact ~80% non-contact (soccer, basketball, skiing, etc.) ~20% contact (football, ice hockey) Non-contact – usually with landing, rapidly stopping, cutting or change in direction Altered biomechanical and neuromuscular patterns Female athletes have 3.5 x risk of non-contact injury compared to males
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Figure 1b. Pivot shift injury. Sanders T G et al. Radiographics 2000;20:S135-S151 ©2000 by Radiological Society of North America
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Prevalence of ACL injury Roughly 250,000 ACL Tears per year in the U.S. $20,000+ per reconstruction + rehabilitation $5 billion annual cost 6-12 months away from sport High rate of re-injury upon return
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Bracing Following ACL repair and appropriate rehab – generally not used during sport no scientific evidence that a brace is needed after successful reconstruction and rehab.1 May use if have ACL tear without surgical intervention
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ACL Injury Prevention Program: Basic Components Warm–Up (~2 min): increase core temp, increase heart rate, and circulation throughout the musculature Stretching (~2 min): either dynamic (stretching while moving) or static (stationary/traditional stretching) Strengthening (~4min): focus on the hip region and the thigh regions Plyometrics (~4 min): jumping, landing, ballistic movements Agility (~4 min): cutting, changing directions
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ACL Prevention Program Goal: decrease the number of ACL tears Improve neuromuscular control and train proper movement patterns Gain biomechanical efficiency and accuracy of movement Enhance dynamic strength and muscle endurance of the trunk, hip and knee 15-minute training session that replaces the traditional warm-up of practice Education for players on strategies to avoid injury completed PRIOR TO and DURING sport season At least 2-3 times per week x 15 min each session
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Jumping Technique Land: on the balls of the feet knees flexed (initially ~ 20 deg and then bend to about 40 deg) - Simple cue to land “softly” has been shown to decrease force at the ACL 3 chest over the knees avoid excessive movement of the knee upon landing (inward or forward) – keep knee over the middle of the foot Keep hips straight – don’t turn out hips Equal weight on the right and left
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Jumping Technique
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Basketball injury
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Knee alignment
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Why land with knee bent? Quad muscles works to extend the knee region – also pulls the lower leg bone forward (tibia) relative to the upper leg bone (femur) ACL prevents this forward movement of the tibia Hamstring muscles work to bend the knee and pull the tibia backward (works with the ACL) Hamstring allows the muscles to absorb the force when landing and supports the ACL Landing with knee bend causes less stress at the ACL and allow muscles to absorb the force Femur femur
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Strengthening Component Balance between the hamstring and quad muscles recommended that the hamstrings be 60 - 80% as strong as the quads Work on the hip muscles to stabilize knee and control knee
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Plyometrics Designed to produce fast, powerful movements, and improve the functions of the nervous system Examples: squat jumps, drop jumps, bounding Has been shown to be one of the most effective tools to reduce non-contact ACL injuries 4
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Agility Cutting, changing directions, changing speed of movement
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What does research say Lim et al. “injury prevention program could potentially modify the flexibility, strength and biomechanical properties associated with ACL injury and lower the athletes risk for injury” Female basketball student who had injury prevention 20 min warm up every practice demo increased strength and flexibility Gilchrist et al. studied just under 1500 collegiate athletes: 70% reduction in ACL injury with noncontact injury 40% overall reduction in ACL injury
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References Dubljanin-Raspopovic E, Bumbasirevic M, Devecerski G, Matanovic D. The effects of functional knee bracing after anterior cruciate ligament reconstruction. Med Pregl. 2009 Sep-Oct;62(9-10):483-7. Bien DP. Rationale and implementation of anterior cruciate ligament injury prevention warm-up programs in female athletes. J Strength Cond Res. 2011 Jan;25(1):271-85. Laughlin WA, Weinhand JT, Kernozek TW, Cobb SC, Keenan KG, O’Connor KM. The effects of single-leg landing technique on ACL loading. J Biomech. 2011Jul7:44(10):1845-51. Epub 2011 May 10 Lim BO, Lee YS, Kim JG, An KO, Yoo J, Kwon YH. Effects of sports injury prevention training on the biomechanical risk factors of anterior cruciate ligament injury in high school female basketball players. Am J Sports Med. 2009 Sep;37(9):1728-34. Epub 2009 Jun Gilchrist J, Mandelbaum BR, Melancon H, Ryan GW, Silvers HJ, Griffin LY, Watanabe DS, Dick RW, Dvorak J. A randomized controlled trial to prevent noncontact anterior cruciate ligament injury in female collegiate soccer players. Am J Sports Med. 2008 Aug;36(8):1476-83. Willy RW, Davis IS. The Effect of a Hip Strengthening Program on Mechanics During Running and During a Single Leg Squat. 26. J Orthop Sports Phys Ther. 2011 Jul 12. [Epub ahead of print] Lubahn AJ, Kernozek TW, Tyson TL, Merkitch KW, Reutemann P. Chestnut JM.Hip muscle activation and knee frontal plane motion during weight bearing therapeutic exercises. Int J Sports Phys Ther. 2011 Jun;6(2):92-103. R Tyler Hamilton, MS, ATC, Sandra J Shultz, PhD, ATC, CSCS, Randy J Schmitz, PhD, ATC, and David H Perrin, PhD, ATC, FACSM. Triple-Hop Distance as a Valid Predictor of Lower Limb Strength and Power. J Athl Train. 2008 Mar-Apr; 43(2): 144–151.