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Article Dans Une Revue Gait & Posture Année : 2015

Acute experimental hip muscle pain alters single-leg squat balance in healthy young adults

Anna Hatton
  • Fonction : Auteur
Kay Crossley
  • Fonction : Auteur
James Bouma
  • Fonction : Auteur
Bonnie Ha
  • Fonction : Auteur
Kara Spaulding
  • Fonction : Auteur

Résumé

Background: Clinical musculoskeletal pain commonly accompanies hip pathology and can impact balance performance. Due to the cross-sectional designs of previous studies, and the multifactorial nature of musculoskeletal pain conditions, it is difficult to determine whether pain is a driver of balance impairments in this population. This study explored the effects of experimentally induced hip muscle pain on static and dynamic balance. Methods: Twelve healthy adults (4 women, mean[SD]: 27.1[3] years) performed three balance tasks on each leg, separately: single-leg standing (eyes closed), single-leg squat (eyes open), forward step (eyes open); before and after hypertonic saline injection (1ml, 5% NaCl) into the right gluteus medius. Range, standard deviation (SD), and velocity of the centre of pressure (CoP) in medio-lateral (ML) and anterior-posterior (AP) directions were considered. Results: During the single-leg squat task, experimental hip pain was associated with significantly reduced ML range (-4[13]%, P=0.028), AP range (-14[21]%, P=0.005), APSD (-15[28]%, P=0.009), and AP velocity (-6[13]%, P=0.032), relative to the control condition, in both legs. No effect of pain was observed during single-leg standing and forward stepping. Significant between-leg differences in ML velocity were observed during the forward stepping task (P=0.034). Discussion: Pain is a potentially modifiable patient-reported outcome in individuals with hip problems. This study demonstrates that acute hip muscle pain alone, without interference of musculoskeletal pathology, does not lead to the same impairments in balance as exhibited in clinical populations with hip pathologies. This is the first step in understanding how and why balance is altered in painful hip pathologies.
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Dates et versions

hal-03601309 , version 1 (08-03-2022)

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Citer

Anna Hatton, Kay Crossley, François Hug, James Bouma, Bonnie Ha, et al.. Acute experimental hip muscle pain alters single-leg squat balance in healthy young adults. Gait & Posture, 2015, 41 (4), pp.871-876. ⟨10.1016/j.gaitpost.2015.02.013⟩. ⟨hal-03601309⟩
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