Effects and Mechanisms of Specific Trunk Exercises in Low Back Pain
| Status: | Completed |
|---|---|
| Conditions: | Back Pain, Back Pain |
| Therapuetic Areas: | Musculoskeletal |
| Healthy: | No |
| Age Range: | 21 - 55 |
| Updated: | 10/20/2017 |
| Start Date: | March 2003 |
| End Date: | June 2008 |
Low back pain affects 80% of Americans at some time during their lives. Although recovery
usually occurs within 6 months, there is a 50% recurrence within one year's time. It has long
been thought that poor control of trunk muscle may lead to abnormal forces across the spine,
which then damage local spinal structures, thus, leading to low back pain. However, the
investigators know little about the function of specific trunk muscles in healthy subjects
during various activities of daily life. Furthermore, the precise muscle dysfunction
associated with low back pain has not been well characterized at all. In addition, the
investigators know little about which exercise protocol is most beneficial for particular
subgroups of people with low back pain. Thus, the purposes of this study are to learn more
about: 1) how trunk muscles are affected by low back pain; 2) which exercises might be most
beneficial for people with certain kinds of low back pain; and 3) how these exercises
influence trunk muscle function. By having a better understanding of which trunk muscles are
affected by low back pain, rehabilitation specialists can design exercise programs and
therapeutic interventions that are more specific and more effective.
usually occurs within 6 months, there is a 50% recurrence within one year's time. It has long
been thought that poor control of trunk muscle may lead to abnormal forces across the spine,
which then damage local spinal structures, thus, leading to low back pain. However, the
investigators know little about the function of specific trunk muscles in healthy subjects
during various activities of daily life. Furthermore, the precise muscle dysfunction
associated with low back pain has not been well characterized at all. In addition, the
investigators know little about which exercise protocol is most beneficial for particular
subgroups of people with low back pain. Thus, the purposes of this study are to learn more
about: 1) how trunk muscles are affected by low back pain; 2) which exercises might be most
beneficial for people with certain kinds of low back pain; and 3) how these exercises
influence trunk muscle function. By having a better understanding of which trunk muscles are
affected by low back pain, rehabilitation specialists can design exercise programs and
therapeutic interventions that are more specific and more effective.
Inclusion Criteria:
- a history of chronic LBP with or without recurrences for a minimum of 12 months
- between 21 - 55 years of age
- able to stand and walk without assistance
- have an Oswestry Disability Score of 19% or higher
Exclusion Criteria:
- any major structural spinal deformity including scoliosis, kyphosis, or stenosis
- spinal fracture or dislocation
- osteoporosis
- ankylosing spondylitis
- rheumatoid arthritis
- disc herniation with corroborating clinical signs and symptoms
- serious spinal complications such as tumor or infection
- previous spinal surgery
- frank neurological loss, i.e., weakness and sensory loss
- pain or paresthesia below the knee
- etiology of LBP other than the lumbar spine, e.g., hip joint
- history of neurological disease which required hospitalization
- active treatment for cancer
- history of unresolved cancer
- pregnancy or less than 6 months post-partum or less than 6 months post weaning
- magnified symptom-behavior
- worker's compensation or disability case
- in litigation for the LBP problem
- have a BMI ≥ 30
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