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Chronic Leg Pain in the Athlete Johan Myburgh May 2011 Johan Myburgh May 2011
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HISTORYHISTORY 30 year old female Recreational runner Complains of bilateral calf pain x 4 months
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PAIN HISTORY Starts after running fixed distance (3km), Walk – cramp like pain, Stretching afterwards painful No rest pain/ No night pain No numbness/ paresthesia Pain does not radiate
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Exercise History New to long distance running Started training with local running club Old worn running shoes – calf discomfort (replaced) Initial running regime: 5 min. run, 1 min. walk Left sided calf sprain 3 weeks into training – No treatment Goal of training: Two Oceans Half Marathon 9 weeks away
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Medical History No significant past medical history Medication: Oral Birth Control Surgical history: Appendectomy (age 10) Allergies: None Family history: Hypertension, No clotting disorders
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Other History No recent long distance travel or surgery - (DVT) No history of lower back pain - referred pain
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Evaluation Evaluation Observation Standing: Anterior – (R) shoulder depressed Hyperextension (L) knee Slight internal rotation tibia Overpronation bilateral feet Lateral - Flexion of trunk at hips Posterior – Slight lumbar scoliosis
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Evaluation Evaluation Observation Walking: Overpronation bilateral feet Internal rotation tibia Active ankle movements – normal Passive ankle movements Dorsiflexion normal Muscle stretches – Bilateral gastrocnemius and right soleus tightness
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EvaluationEvaluation Resisted ankle movement – normal Functional tests Pelvic stability: Bilateral Gluteus medius weakness Core muscle strength poor. Lunges poor Special test Neurological - Normal ( Slump test and SLR)
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EvaluationEvaluation Palpation Bilateral gastrocnemius tenderness ( > medial) (R) Soleus tender and tight Posterior knee normal Superior tibiofibular joint normal
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DiagnosisDiagnosis CHRONIC BILATERAL CALF STRAIN CHRONIC BILATERAL CALF STRAIN Secondary to: 1.Inadequate rehabilitation initial injury 2.Overuse injury 1
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Three Stage Assessment 1.Biologic Intrinsic. Biomechanical abnormality 2 : Overpronation Core muscle weakness Extrinsic: Aggravated running shoes Initial injury not rehabilitated
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Three Stage Assessment 2.Psychological Concerned about fitness/ readiness to compete (8 weeks left preparation) 3.Contextual Family and friends perceptions First half marathon – failure
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TreatmentTreatment Physiotherapy: Physiotherapy: Myofacial release Stretching: Soleus and gastrocnemius Strengthening: Intrinsic foot muscles Soleus and gastrocnemius Pelvic and core muscles Home program
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TreatmentTreatment Podiatrist/ Orthotist Podiatrist/ Orthotist provided: Custom made orthotics New running shoes
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OutcomeOutcome Pain gradually improved Finished Two Oceans Half Marathon with no pain
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DiscussionDiscussion Chronic lower leg pain in the athlete in the athlete Chronic lower leg pain in the athlete in the athlete
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Chronic lower leg pain Classification Classification 4 Anterior - Shin pain Common: Stress fracture/ bone stress reaction Medial tibial traction periositis Chronic exertional compartment syndrome Popliteal artery entrapment syndrome Less common: Stress # fibula, Referred pain Nerve and vascular entrapments
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Chronic lower leg pain Classification Classification 4 Posterior - Calf pain 1.Muscle sprain – gastrocnemius and soleus 2.Claudication-type pain: Vascular – PAES and atherosclerosis Nerve entrapments - tibial + sural nerves
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ANTERIORANTERIOR Shin pain
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Medial Tibial Stress Syndrome Diffuse pain Medial border Decrease with warming up
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Tibial StressFracture Tibial Stress Fracture Focal uptake Linear uptake = MTSS Posteromedial tibia Localized tenderness – medial border Pain walking – rest
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Compartmentsyndromes Compartment syndromes No rest pain Aggravated by activity Tightness Pain subside with rest Anterior compartment -Most common Lateral compartment -Numbness foot Deep post. Compartment - Posteromedial pain
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Nerveentrapments Nerve entrapments Deep peroneal nerve Anterior compartment Deep peroneal nerve Anterior compartment Superficial peroneal nerve Lateral m Lateral compartment Superficial peroneal nerve Lateral m Lateral compartment
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Posteriorpain Posterior pain Calf pain
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Muscle sprains Gastrocnemius sprain Acute Chronic Soleus sprain
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PAESPAES Popliteal artery entrapment Anatomical and functional.
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NerveEntrapment Nerve Entrapment Sural nerve Tibial nerve
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Differential Diagnosis Chronic Leg Pain in the Athlete 3 Bone/periosteum Medial tibial stress syndrome (“shin splints”) Stress fracture Vascular Popliteal artery entrapment syndrome Intermittent claudication Referred pain Peripheral Nerve entrapment Spinal/radiculopathy Knee abnormality Hip abnormality (especially in young athletes) Muscle/tendon Chronic exertional compartment syndrome Muscle strains Tendinitis/tendinosis Neoplasm Infection
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Most common causes 3 1.Medial Tibial Stress Syndrome 2.Stress fractures 3.Chronic Exertional Compartment Syndrome Not to be missed: DVT 3. Am J Sports Med August 2005 vol. 33 no. 8 1241-1249
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Special Investigations 1.X-ray: Bilateral tibia/fibula 2.EMG study 3.Bone scan 4. MRI/ MRA 5.Compartmental pressure testing
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Other special investigations Doppler ultrasound Ankle/brachial ratios (Pre/post exercise) D-Dimer Angiogram
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Diagnostic tool (Hx & PE) s Pain at Rest Palpable tenderness Pain at Rest Palpable tenderness No pain at rest Palpable tenderness No pain at rest Palpable tenderness No pain at rest No palpable tenderness tenderness No pain at rest No palpable tenderness tenderness MTSS Stress fracture MTSS Muscle sprains Nerveentrapment Nerve entrapment Muscle sprains Nerveentrapment Nerve entrapment Chronic ECS PAES PAES
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Specialinvestigations Special investigations X-rayEMGBone scanMRI/MRACompartmental Pressure test Stress fracture ( after 2-3 weeks of Sx) Common peroneal nerve entrapment – tibial + sural n. MTSS Stress fracture PAESChronic ECS
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REFERENCES 1.Reinking F, Exercise-related leg pain in female collegiate athletes: the influence of intrinsic and extrinsic factors. The American Journal Of Sports Medicine [Am J Sports Med] 2006 Sep; Vol. 34 (9), pp. 1500-7 2.Michael Fredericson, MD * and Cindy Wun, MD, Differential Diagnosis of Leg Pain in the Athlete, J Am Podiatr Med Assoc 93(4): 321-324, 2003 3.Peter H Edwards, MD, Michelle L Wright, and Jodi Hartman, MS, A Practical Approach for the Differential Diagnosis of Chronic Leg Pain in the Athlete. Am J Sports Med August 2005 vol. 33 no. 8 1241-1249 4.Brukner and Khan, Clinical Sports Medicine 3E Rev p 578-589
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