title: Effects of hamstring stretch with pelvic control on pain and work ability in standing workers.
abstract: BACKGROUND
  Hamstring tightness induces posterior pelvic tilt and decreased lumbar lordosis, which can result in low back painOBJECTIVE: We investigated effects of hamstring stretch with pelvic control on pain and work ability in standing workers.
  
  
  METHODS
  One hundred adult volunteers from a standing workers were randomly assigned to pelvic control hamstring stretching (PCHS) (n = 34), general hamstring stretching (GHS) (n = 34), control (n = 32) groups. The control group was performed self-home exercise. All interventions were conducted 3 days per week for 6 weeks, and included in the hamstring stretching and lumbopelvic muscle strengthening. Outcomes were evaluated through the visual analog scale (VAS), straight leg raise test (SLR), sit and reach test (SRT), Oswestry disability index (ODI), and work ability index (WAI).
  
  
  RESULTS
  Significant difference in VAS, SLR, SRT, ODI, and WAI were found in the PCHS and GHS groups. The control group was a significant difference only in ODI. The PCHS group showed a greater difference than the GHS group and control group in VAS, SLR, SRT, and ODI.
  
  
  CONCLUSIONS
  The pelvic control hamstring stretch exercise would be more helpful in back pain reduction and improvement of work ability in an industrial setting.
authors.affiliation: Department of Physical Therapy, Graduate School of Daejeon University, Daejeon, Korea.
authors.forename: Hyun-Il
authors.initials: HI
authors.lastname: Han
authors.affiliation: Department of Physical Therapy, Graduate School of Daejeon University, Daejeon, Korea.
authors.forename: Ho-Suk
authors.initials: HS
authors.lastname: Choi
authors.affiliation: Department of Physical Therapy, Graduate School of Daejeon University, Daejeon, Korea.|Department of Physical Therapy, Collage of Health and Medical Science, Daejeon University, Daejeon, Korea.
authors.forename: Won-Seob
authors.initials: WS
authors.lastname: Shin
mesh_terms: D000328:Adult; D005080:Exercise Test; D005260:Female; D006801:Humans; D017116:Low Back Pain / Q000503:physiopathology / Q000517:prevention & control*; D008297:Male; D052580:Muscle Stretching Exercises; D009784:Occupational Diseases / Q000503:physiopathology / Q000517:prevention & control*; D011187:Posture / Q000502:physiology*; D056910:Republic of Korea; D064232:Visual Analog Scale
keywords: Hamstring stretch; industrial worker; low back pain; pelvic control; standing worker; work ability