Ismania C1, Cyrillo F2, Reis V2, Barbosa J1, Freitas DG1, Fukuda T3, Martin R4, Cazarini C1
1Santa Casa SP, Sao Paulo, Brazil, 2Fisiologic Institute, Santo Andre, Brazil, 3Instituo Trata, Sao Paulo, Brazil, 4Instituto Trata, Sao Paulo, Brazil
Background: Manual therapy techniques have been used as a disinhibitory intervention to increase muscle activation and strength before participating in strengthening exercises or performing functional tasks that are limited by weakness. Musculoskeletal lower extremity pathologies are commonly associated with weakness inquadriceps, gluteus maximus, and gluteus medius.Currently, there is no evidence to substantiate anecdotal experience that a HVLAT hip distraction mobilization improves muscle performance in subjects with lower extremity pathology and lower extremity weakness
Purpose: To determine if a HVLAT hip distractionmobilization would result in an immediate change of maximal force output of the quadriceps, gluteus maximus and gluteus medius.
Methods: Forty individuals with a lower extremity pathology volunteered for this studyfor quadriceps, gluteus maximus and gluteus medius muscle strength analysis pre and post the HVLAT hip distraction mobilization of the symptomatic side. An immediate re-assessment of strength of both symptomatic and non-symptomatic sides followed the mobilization.
Results: Pre-mobilization and post-mobilization assessments found a significant increase in strength for gluteus maximus (average change = 4.7; p=0.01) but not for gluteus medius (average change = 0.2; p=0.71) or quadriceps (average change = 0.1; p=0.86) on the symptomatic side. On the asymptomatic side, pre-mobilization and post-mobilization assessments did not find a significant change in strength.
Conclusion(s): A HVLAT hip distraction mobilization technique resulted in a significant increase in gluteus maximus strength but did not produce a change in gluteus medius or quadriceps strength in subjects with lower extremity pathology and lower extremity weakness.
Implications: The hip distraction can be used for gluteus Maximus strength program.
Keywords: Musculoskeletal Manipulations, hip, Muscle Strength
Funding acknowledgements: Santa Casa de São Paulo
Purpose: To determine if a HVLAT hip distractionmobilization would result in an immediate change of maximal force output of the quadriceps, gluteus maximus and gluteus medius.
Methods: Forty individuals with a lower extremity pathology volunteered for this studyfor quadriceps, gluteus maximus and gluteus medius muscle strength analysis pre and post the HVLAT hip distraction mobilization of the symptomatic side. An immediate re-assessment of strength of both symptomatic and non-symptomatic sides followed the mobilization.
Results: Pre-mobilization and post-mobilization assessments found a significant increase in strength for gluteus maximus (average change = 4.7; p=0.01) but not for gluteus medius (average change = 0.2; p=0.71) or quadriceps (average change = 0.1; p=0.86) on the symptomatic side. On the asymptomatic side, pre-mobilization and post-mobilization assessments did not find a significant change in strength.
Conclusion(s): A HVLAT hip distraction mobilization technique resulted in a significant increase in gluteus maximus strength but did not produce a change in gluteus medius or quadriceps strength in subjects with lower extremity pathology and lower extremity weakness.
Implications: The hip distraction can be used for gluteus Maximus strength program.
Keywords: Musculoskeletal Manipulations, hip, Muscle Strength
Funding acknowledgements: Santa Casa de São Paulo
Topic: Sport & sports injuries; Orthopaedics; Musculoskeletal: lower limb
Ethics approval required: Yes
Institution: Santa Casa SP
Ethics committee: COEP Santa Casa SP
Ethics number: NCT03115879
All authors, affiliations and abstracts have been published as submitted.
