NCT01861418

Effects of Lumbopelvic Manipulation on Neuromuscular Activity of Back & Hip Muscles in Adults With Chronic Low Back Pain

Effects of Lumbopelvic Manipulation on Neuromuscular Activity of Back and Hip Muscles in Adults With Chronic Low Back Pain

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 52 (actual)
• Sponsor: Texas Woman's University · Academic / Other
• Sex: All
• Age: 20 Years – 60 Years
• Healthy volunteers: Accepted

Summary

The purposes of this study are: 1. To examine the within-day and between-day test-retest reliability of a testing protocol measuring the back and hip muscles fatigability using EMG median frequency 2. To examine the immediate and the carry-over effects of the lumbopelvic manipulation on the EMG median frequency of the lumbar multifidus (MULT), gluteus medius (GMED) and gluteus maximus (GMAX) muscles in patients with chronic low back pain (CLBP) 3. To compare the fatigability levels of the MULT, GMED and GMAX muscles by measuring the EMG median frequency between the participants who will receive lumbopelvic manipulation. The research hypotheses are: 1. The testing protocol using EMG median frequency as a fatigue indicator for MULT,GMED and GMAX muscles will have good (ICC ≥ 0.80) within-day and between-day test-retest reliability. 2. The fatigability level of the MULT, GMED and GMAX muscles will significantly decrease immediately after the lumbopelvic manipulation and will be maintained over two to four days following the manipulation. 3. The fatigability of the MULT, GMED and GMAX muscles will significantly decrease after the intervention in the manipulation group while no change will occur in the placebo group.

Conditions

• Chronic Low Back Pain

Interventions

Type	Name	Description
OTHER	Lumbopelvic Manipulation	Participant will lie in supine position. The treating investigator (TI) will stand on opposite side of low back pain. Participant will clasp his/her hand behind the neck. TI will side bend participant's spine towards non-painful side. TI will reach through participant's hands and perform spinal rotation away from painful side. TI's other hand will be placed over anterior superior iliac spine (ASIS) of painful side. TI will take up the slack and maintain pressure on the ASIS for 5-10 seconds and ask the participant whether he/she can tolerate the pressure. If participant can tolerate the pressure for at least 5 seconds, verbal permission will be obtained from participant and TI will proceed and apply a high-velocity low-amplitude posterior thrust force over the ASIS.
OTHER	Sham manipulation	Each participant will be asked to lie in a supine position. The treating investigator will stand on the opposite side of the low back pain. Then, the participant will be asked to clasp his/her hand behind the neck. The treating investigator will side bend the participant's spine towards the non-painful side to mid-range. The treating investigator will reach through the participant's hands and perform a spinal rotation away from the painful side to the mid-range. The treating investigator's other hand will be placed over the anterior superior iliac spine (ASIS) of the painful side.

Timeline

• Start date: 2013-04-01
• Primary completion: 2017-07-01
• Completion: 2017-07-01
• First posted: 2013-05-23
• Last updated: 2017-10-12

Locations

1 site across 1 country: United States