Journal: Physical Therapy in Sport

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Publisher

Elsevier

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ISSN

1466-853X

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2020 - 20235
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Publications 1 - 5 of 5
  • Mid-term outcomes of exercise therapy for the non-surgical management of femoroacetabular impingement syndrome: are short-term effects persisting?
    Item type: Journal Article
    Monn, Samara; Maffiuletti, Nicola A.; Bizzini, Mario; et al. (2022)
    Physical Therapy in Sport
    Objectives: To investigate the mid-term outcomes of exercise therapy in patients with femoroacetabular impingement syndrome (FAIS). Design: Follow-up study. Setting: Clinical setting. Participants: Twenty-six patients with FAIS who completed a 12-week semi-standardized, progressive exercise therapy program. Main outcome measures: At a mid-term follow-up of 4.6 years, therapy outcome was assessed using (i) the Global Treatment Outcome questionnaire for hip pain, (ii) the Hip Outcome Score (HOS) for hip pain and function in activities of daily living (ADL) and Sport and (iii) the Hip Sports Activity Scale (HSAS) for sport activity level. Mid-term outcomes were compared to pre-symptomatic, pre-therapy, as well as to short-term follow ups (18 weeks). Results: In patients who completed the exercise program and did not undergo hip surgery (N = 19), mid-term HOS ADL and HOS Sport (P = 0.002) were higher than pre-therapy, and comparable to the 18-week follow-up. Mid-term HSAS was lower than the pre-symptomatic status (P = 0.022), but comparable to the 18-week follow-up. Conclusion: At a mid-term follow-up of 4.6 years, FAIS patients with no subsequent hip surgery maintained the good exercise therapy outcomes and the level of sport activity achieved at short term.
  • Hip muscle strength in male and female patients with femoroacetabular impingement syndrome: Comparison to healthy controls and athletes
    Item type: Journal Article
    Bizzini, Mario; Schaub, Gianluca; Ferrari, Enea; et al. (2023)
    Physical Therapy in Sport
    Objectives: To examine hip muscle strength deficits in patients with femoroacetabular impingent syndrome (FAIS), with special emphasis on potential sex- and comparison-related (between-subject vs within-subject) differences. Design: Cross-sectional comparative study. Participants: Forty FAIS patients (20 women), 40 healthy controls (20 women) and 40 athletes (20 women). Main outcome measures: Hip abduction, adduction and flexion isometric strength was tested using a commercially-available dynamometer. Two between-subject comparisons (FAIS patients vs controls and FAIS patients vs athletes) and one within-subject comparison (inter-limb asymmetry) of strength deficits were conducted, based on the calculation of respective percent differences. Results: For all hip muscle groups, women were 14–18% weaker than men (p < 0.001), but no sex-related interactions were observed. For all hip muscle groups, FAIS patients were 16–19% weaker than controls (p = 0.001) and 24–30% weaker than athletes (p < 0.001). For FAIS patients, the involved hip abductors were 8.5% weaker than the uninvolved ones (p = 0.015), while no inter-limb asymmetry was observed for the other hip muscles. Conclusion: Sex had no influence on hip muscle strength deficits in FAIS patients while a major impact of comparison method/group was observed. Hip abductors showed consistent deficits for all comparison methods, suggestive of a possible greater impairment compared to hip flexors and adductors.
  • Biomechanical quantification of deadbug bridging performance in competitive alpine skiers: Reliability, reference values, and associations with skiing performance and back overuse complaints
    Item type: Journal Article
    Ellenberger, Lynn; Jermann, Julia; Fröhlich, Stefan; et al. (2020)
    Physical Therapy in Sport
    Objectives (1) To study the reliability of quantifying rear-chain stabilization capacity during deadbug bridging (DBB), (2) to provide reference values for competitive alpine skiers, and (3) to study associations with age, anthropometrics, maturation, skiing performance and back overuse complaints. Design Cross-sectional. Setting Biomechanical field experiment including questionnaires. Participants 12 healthy subjects (reliability experiment); 133 skiers of the U16 category and 38 of the elite category (main experiment). Main outcome measures DBB performance was quantified using 3D motion capture as the maximum amplitude of the relative vertical displacement of two pelvis markers (DBBdisplacement). Additionally, in U16 skiers, age, anthropometrics, maturation, skiing performance, and back overuse complaints were assessed. Results The reliability experiment revealed an ICC(3,1) and 95% CI of 0.81 [0.61, 0.93]. Within-subject SEM was 3.89 mm [3.16 mm, 5.12 mm]. Depending on sex and category, medians of DBBdisplacement in skiers ranged between 29 mm and 45 mm. DBBdisplacement differed between elite and U16 skiers (p < 0.001), but not between sexes. In U16 skiers, DBBdisplacement was independent of age, anthropometrics, and biological maturation, however, associated with skiing performance and back overuse complaints (p < 0.05). Conclusion The proposed approach may be considered an adequate method to quantify athletes’ rear-chain stabilization capacity.
  • Field-based evaluation of hip adductor and abductor strength in professional male ice hockey players: Reference values and influencing factors
    Item type: Journal Article
    Oliveras, Ruben; Bizzini, Mario; Brunner, Romana; et al. (2020)
    Physical Therapy in Sport
  • Hip muscle strength asymmetries and their associations with hip morphology and symptoms are sex-specific in patients with femoroacetabular impingement syndrome
    Item type: Journal Article
    Maffiuletti, Nicola A.; Bizzini, Mario; Sutter, Reto; et al. (2020)
    Physical Therapy in Sport
Publications 1 - 5 of 5