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Does adding hip strengthening exercises to manual therapy and segmental stabilization improve outcomes in patients
Thiago Yukio Fukuda1, Leticia Moraes Aquino2, Pedro Pereira2
1Department of Physical Therapy, Centro Universitário São Camilo (CUSC), São Paulo, SP, Brazil; Trata Institute - Knee and Hip Rehabilitation / ITC Vertebral, São Paulo, SP, Brazil.
Background:
The literature is unclear on the need for hip strengthening in persons with low back pain (LBP).
Objectives:
To investigate the effectiveness of hip strengthening exercises when added to manual therapy and lumbar segmental stabilization in patients with chronic nonspecific LBP.
Methods:
Seventy patients with chronic nonspecific LBP were randomly assigned to either the manual therapy and lumbar segmental stabilization group or the manual therapy and lumbar segmental stabilization plus specific hip strengthening group. A 10 cm visual analogue scale and the Rolland-Morris Questionnaire were the primary clinical outcome measures at baseline, at the end of treatment (posttreatment), and 6- and 12-months posttreatment. Hip strength and kinematics were measured as secondary outcomes .
Results:
While within-group improvements in pain, disability, and hip extensors strength occurred in both groups, there were no significant between-group differences at posttreatment or follow-ups. Mean difference in changes in pain level between groups at posttreatment and at 6- and 12-month follow-up were 0.5 points (95% confidence interval [CI]: -0.5, 1.5), 0.3 points (95% CI: -0.9, 1.5), and 0.0 points (95% CI: -1.1, 1.1), respectively. The mean differences in changes in disability were 0.8 points (95% CI: -1.3, 2.7), 0.0 points (95% CI: -2.4, 2.4), and 0.4 points (95% CI: -2.0, 2.8), respectively. Finally, we did not observe any between-group differences for any of the other outcomes at any timepoint.
Conclusion:
The addition of specific hip strengthening does not appear to result in improved clinical outcomes for patients with nonspecific LBP.
