Running Medicine: Benefits & Pitfalls Ellen Casey, MD Assistant Professor Sports Medicine Drexel University College of Medicine Objectives 1) What are the benefits of running? Is there such a thing as too much running? 2) Why is knee pain so common in runners? 3) Which anti‐inflammatory is best for tendonitis? 4) What about footwear? 5) When should I seek medical attention? Why should I run? Physical Benefits of Running Maintain healthy weight Lowers cholesterol Decreases risk of heart disease Decreases risk of cancer Stronger bones Psychological Benefits of Running Lower stress Decreased depression Improved self‐esteem Better sleep Is there such a thing as too much running? Problems with too much running Arthritis Stress fractures Tendon pain Impaired immune system Elevated cholesterol Epidemiology of Running Injuries Annual incidence is 67% Fredericson, Sports Med, 2007 Epidemiology of Running Injuries 90% sustain an injury during marathon training Novice runners are at highest risk Fredericson, Sports Med, 2007 Risk Factors for Running Injuries High training mileage Cut‐off around 20 miles per week Previous injury Prior 12 months Inadequate rehabilitation Abrupt change in training Frequency Intensity Surface Cross‐training Running & Osteoarthritis (OA) Lack of conclusive evidence No increase in 60 yo runners (180 min/w x 12 years) Increased hip OA in runners (>65 m/w) No increase in complaints of joint pain in runners vs. non‐runners Runners with OA may have faster progression compared to non‐runners McDermott 1983 ; Lane 1993; Kujala 1995; Ding 2007 Why are knee injuries most common? Knee Injuries in Runners Patellofemoral Pain Syndrome Iliotibial Band Friction Syndrome Osteoarthritis Meniscal tears Patellofemoral Pain Syndrome (PFPS) Runner’s knee Pain around/behind the knee cap Increased pressure/motion between the femur and the knee cap More common in females Multiple causes Causes of Runner’s Knee ① Hip/pelvis Weak hip muscles ② Knee Tight IT band Asymmetric pull of quads ③ Foot/ankle Excessive pronation/flat foot Causes of Runner’s Knee Knee is the victim of poor hip or foot mechanics Treatment of Runner’s Knee Hip and lower leg strengthening Functional movements Treatment of PFPS Taping Bracing Orthotics Improve running technique No injections!!! What anti‐ inflammatories are best for Achilles tendonitis? Achilles Tendon Pain True inflammation is rare Not tendonitis!!! Overuse thickened, irregular tendon “Tendonopathy” “Tendonosis” Ultrasound of Tendonopathy Treatment of Achilles Tendonopathy Pain control Ice Heel lift/CAM walker Tylenol Activity modification – as tolerated; alter running mechanics Rehabilitation Injections Surgery Rehabilitation 3x15 Twice a day 7d/week Total 12 weeks 93% symptom‐free after 5yrs Alfredson 2005 Injections NO STEROIDS Bioinjectibles Tenotomy Autologous blood Platelet‐rich plasma (PRP) What about footwear? What about footwear? Rear Foot Strike without shoes Lieberman 2010 Loading Rate = 600 BW/s Peak = 2 x BW Rear Foot Strike with shoes Lieberman 2010 Loading Rate = 100 BW/s Peak = 0.2 x BW Midfoot or Forefoot Strike without shoes Decreased peak Decreased loading rate What about footwear? Your mechanics are far more important than what you wear on your feet! When to seek medical attention? Reasons to see a medical provider Inability to bear weight or limping Red, warm joint Night pain Pain that is getting progressively worse Unable to meet goals due to pain/injury Questions? References 1. Barton CJ, Menz HB, Crossley KM. Clinical predictors of foot orthoses efficacy in individuals with patellofemoral pain. Med Sci Sports Exerc. 2011;43(9):1603‐10. doi: 10.1249/MSS.0b013e318211c45d. PubMed PMID: 21311359. 2. Bokhari AR, Murrell GA. The role of nitric oxide in tendon healing. J Shoulder Elbow Surg. 2012;21(2):238‐44. Epub 2012/01/17. doi: 10.1016/j.jse.2011.11.001. PubMed PMID: 22244067. 3. Fukuda TY, Rossetto FM, Magalhaes E, Bryk FF, Lucareli PR, de Almeida Aparecida Carvalho N. Short‐term effects of hip abductors and lateral rotators strengthening in females with patellofemoral pain syndrome: a randomized controlled clinical trial. J Orthop Sports Phys Ther. 2010;40(11):736‐42. doi: 10.2519/jospt.2010.3246. PubMed PMID: 21041965. 4. 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