Feasibility of Early-Initiated Progressive Resistance Training after Total Hip Replacement

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Background: Muscle atrophy, reduced hip muscle strength and function are documented within the first weeks after Total Hip Replacement (THR). Purpose / Aim of Study: The purpose of this study was to evaluate the feasibility of early-initiated progressive resistance training (PRT) after THR. Materials and Methods: 10 patients were followed 4 weeks post THR. The PRT was initiated 2-5 days after surgery, and performed twice a week for 4 weeks. Unilateral exercises were performed in 4 training machines applying 3 sets of 10 repetitions at 10 RM (repetition maximum). Absolute loading (kg) and pain during the exercises were measured at each training session. Isometric muscle strength was measured before and 4 weeks after the THR. Findings / Results: Pain during exercises and resting pain before and after each training session was unchanged or decreased during the 4 weeks of training. Averaged across exercises pain during training decreased from 3.6 (sd: 2.8) at the first session to 1.52 (sd: 1.8) VAS-mm at the last session, p<0.001. The absolute training load increased progressively for all 4 exercises during the 4 weeks of training. For example: 2nd, 5th and 8th training session. Hip extension, mean (sd): 28.9 (8.5), 36.3 (7.5), 39.4 (8.4), kg, p=0.02. Hip flexion, mean (sd): 32.4 (9.7), 43.8 (11.5), 53.6 (12.9), kg, p=0.001. Isometric strength in Nm/kg: Preoperative, 4 weeks postoperative, p- value (diff): Hip abduction, mean (sd): 0.86 (0.28), 0.85 (0.16) Nm/kg, p=0.94. Hip flexion, mean (sd): 0.98 (0.26), 1.03 (0.29) Nm/kg, p=0.52. Conclusions: It seems feasible to commence PRT within the first week after THR, as hip pain remained the same or decreased, while the training load increased progressively. The included patients reached their preoperative hip-strength levels after 4 weeks of training.
StatusUdgivet - 2012
BegivenhedDOS kongressen - SAS Radisson Blue, København, Danmark
Varighed: 24 okt. 201226 okt. 2012


KonferenceDOS kongressen
LokationSAS Radisson Blue

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