Abstract.[Purpose] The present study examined how exercise rehabilitation, extension exercise rehabilitation, and stabilization exercise rehabilitation programs for 8 weeks affected the lumbar region of elderly patients who underwent posterior lumbar interbody fusion surgery.[Methods] Sixty participants were divided into 3 groups. The participants' lumbar extensor muscle strength was evaluated at 7 angles (72°, 60°, 48°, 36°, 24°, 12°, and 0°) from flexion to extension by MedX after 8 weeks; and pain, disability, and maximum muscle strength were also measured.[Results] Extension exercise rehabilitation significantly decreased disability compared with the other exercise methods. On the other hand, stabilization exercise rehabilitation significantly increased lumbar deep muscle strength and endurance compared with the other exercise methods. When strength was compared using MedX, extension exercise rehabilitation increased strength significantly more than the other methods at the lumbar flexion angles of 12° and 0°.[Conclusion] The three exercise programs decreased pain and disability, and increased lumbar deep muscle strength of the posterior lumbar interbody fusion patients. Therefore, these methods help patients attain pain-free lives.
Abstract.[Purpose] The aim of this study was to compare blood levels of antioxidants, malonaldehyde, and lactate between patients with low back pain and healthy controls. [Subjects] Ten patients with at least 6 months of low back pain and 10 healthy adult controls were recruited for this study. [Methods] To measure superoxide dismutase, glutathione peroxidase, malonaldehyde, and lactate levels on the basis of exercise intensity, we conducted a graded exercise test. Blood (20 mL) was collected 3 times (at rest and peak exercise, and in the recovery period), and analyzed.[Results] During peak exercise, levels of superoxide dismutase, glutathione peroxidase, malonaldehyde, and lactate in patients with low back pain were significantly different from those of controls. There were no significant differences between the low back pain and control subjects during the resting and recovery periods. [Conclusion] Reduced physical activity in patients with low back pain increases free radical capacity, resulting in increased antioxidant capacity and higher lactate levels. Therefore, physical therapists treating patients with low back pain must consider these characteristics and educate patients about them.
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