Isometric Exercise Induces Analgesia and Reduces Inhibition in Patellar Tendinopathy
Downloaded from http://bjsm.bmj.com/ on August 16, 2017 - Published by group.bmj.com Original article Isometric exercise induces analgesia and reduces inhibition in patellar tendinopathy 1 2 3 1,4 5 Editor’s choice Ebonie Rio, Dawson Kidgell, Craig Purdam, Jamie Gaida, G Lorimer Moseley, Scan to access more 6 1 free content Alan J Pearce, Jill Cook 1Department of Physiotherapy, ABSTRACT competitive season, there has been poor adherence School of Primary Health Care, Background Few interventions reduce patellar due to increased pain, and either no benefit7 or Monash University, Melbourne, 8 Victoria, Australia tendinopathy (PT) pain in the short term. Eccentric worse outcomes. Athletes are reluctant to cease 2Department of Rehabilitation, exercises are painful and have limited effectiveness sporting activity to complete eccentric exercise pro- Nutrition and Sport, School of during the competitive season. Isometric and isotonic grammes9 and they may be more compliant with Allied Health, La Trobe muscle contractions may have an immediate effect on PT exercise strategies that reduce pain to enable University, Melbourne, Victoria, pain. ongoing sports participation. Australia 3Department of Physical Methods This single-blinded, randomised cross-over Exercise-induced pain relief would have several Therapies, Australian Institute study compared immediate and 45 min effects following clinical benefits. First, athletes may be able to of Sport, Bruce, Australian a bout of isometric and isotonic muscle contractions. manage their pain with exercises either immediately Capital Territory, Australia 4 Outcome measures were PT pain during the single-leg prior to or following activity. Second, exercise is University of Canberra, – Canberra, Australian Capital decline squat (SLDS, 0 10), quadriceps strength on non-invasive and without potential pharmacological Territory, Australia maximal voluntary isometric contraction (MVIC), and side effects or sequelae of long-term use that are 5Sansom Institute for Health measures of corticospinal excitability and inhibition.
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