Compression of Spinal Nerve Root, Low Back Pain, Spinal Disorder
Conditions
Keywords
Lumbosacral spine, Nerve roots, Sitting, H-reflex
Brief summary
The purpose of this study was to examine the effect of prolonged sitting duration and three different sitting postures (erect, slumped, and slouched sitting postures) on spinal nerve root function by measuring the soleus (SOL) H-reflex amplitude. In addition, the pressure under the ischial tuberosities during the three sitting postures were assessed and correlated with the SOL H-reflex amplitude.
Detailed description
Participants were assigned to two groups (prolonged sitting group and controls) based on their daily sitting duration with 15 participants in each group. The outcome measures were recorded during erect, slumped and slouched sitting postures. The differences between the two groups and the three sitting postures in the outcome measures were examined for statistical significance.
Interventions
OTHERSitting posture
The outcomes were measured while the participants assumed erect, slumped and slouched sitting postures.
Sponsors
The Saudi Arabian Cultural Mission to the United States
Texas Woman's University
Study design
Observational model
CASE_CONTROL
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to 50 Years
Healthy volunteers
Yes
Inclusion criteria
* Able to read, speak, and understand English
Exclusion criteria
1. Current complaint of low back pain. 2. Current injury to the ankle and/or foot. 3. Limited ankle movement. 4. Leg length discrepancy. 5. Scoliosis. 6. History of: * Back surgery. * Calf muscle injury/surgery. * Radicular symptoms. * Peripheral neuropathy. * Upper motor neuron lesion. * Systemic and metabolic diseases. * Cancer. 7. Pregnant at the time of the study. 8. Use of pain medications at the time of the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Lumbosacral nerve root function by as measured by the soleus H-reflex amplitude | The outcome was measured during one session that lasted for an average of 3 hours. No further measurement was performed after that session. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Pressure under the ischial tuberosities | The outcome was measured during one session that lasted for an average of 3 hours. No further measurement was performed after that session. | Pressure under the ischial tuberosities was measured in millimeter of mercury (mmHg), with 0 mmHg representing no ischial pressure and 644 mmHg representing the highest pressure. |
Countries
United States
Outcome results
None listed