In 2021 the research says that most women experience pubic pain, hip pain, knee pain, leg cramps, carpal tunnel syndrome, De Quervain's tenosynovitis, or at least one of these symptoms during pregnancy and approximately one-quarter of them have a temporary disability. Symptoms of LBP could start from early in pregnancy until giving birth, but usually, the pain becomes more severe during the third semester of pregnancy and is described as a dull pain. In most cases of LBP, the pain does not radiate to other parts of the body. The exercise was found to be a very common practice used to decrease LBP and the majority of the relative studies were categorized as of high methodological quality. The exercise components of the interventions included strength and stretching, endurance training, pelvic tilt exercises, stretching and mild isometric abdominal contractions, progressive muscle relaxation exercises accompanied by music as well as aerobic and stretching exercises.~Another research in 2021 describe that one of the most common complaints during pregnancy is sleep disorders, such as insomnia, frequently waking up at night, high drowsiness during the day, mood swings, and unusual feelings during sleep results of the present study showed that counseling with a spiritual approach was effective in improving the sleep quality in pregnant women. In the intervention group, the mean score of sleep quality decreased in the second and third trimesters compared to the control group. In the present study, spiritual content counseling had a significant effect on all areas of sleep quality, except for habitual sleep efficiency.~In 2018 one of research says that physiological and psychological changes in the third trimester of pregnancy make falling asleep at night more difficult for pregnant women. Studies also show that relaxation exercises reduce psychological tension, stress, and pain. The pregnant women in the relaxation exercises group of the present study reported falling asleep more comfortably as a result of the decrease in muscle tension, stress, and pain perception. The four-week relaxation exercises improved subjective sleep latency, duration, habitual sleep efficiency, sleep disturbances, daytime dysfunction, and sleep quality of the pregnant women in the third trimester.~Another research in 2018 on the effects of breathing exercises on insomnia. This study finding revealed that, pre-intervention more than half of the pregnant women experienced severe insomnia this may be attributed to the inflammation process of pregnancy and the effect of pregnancy physiological and psychological changes and discomforts on the sleep cycle. The present study revealed that the total score of insomnia decreased for the majority of pregnant women after practicing walking with deep breathing exercises. This can be attributed to the positive effect of exercises i.e walking or breathing exercises on the overall health either physical or psychological by improving physical fitness, increasing the blood supply and the circulation to the brain to enhance the sleep cycle, and improving the quality of sleep and decrease the insomnia symptoms. It has a positive effect on the severity of insomnia during the third trimester of pregnancy, tension, and fatigue relief.~Another research in 2014 says that relaxation therapy and progressive muscle relaxation (PMR) are forms of complementary and alternative medicine often used in pregnancy. There are several reasons why this therapy might produce the observed benefit. PMR-induced reduction in anxiety and decreased perception of pain may eventually improve QOL status in pregnant women. In one study, PMR intervention was compared with massage in pregnant women with leg and back pain. In that study, leg pain decreased significantly after the first and last treatments in both the PMR and massage groups, but back pain decreased only in the massage group. Pain decreased over time during the study in the intervention group, whereas the pain scores (and perceived pain) in the control group increased gradually. LBP is one of the most common symptoms in pregnancy. We conclude that PMR training can reduce LBP and improve QOL in pregnant women.~Most of the research was conducted on low back pain with pelvic girdle pain, the effect of relaxation exercises with music on low back pain, the effect of relaxation exercises on insomnia, and quality of life. The objective of this research is to determine the effect of progressive relaxation exercises on low back pain and insomnia in the third trimester of pregnancy and show the combined effect of relaxation. Reviewing the previous literature on the effects of exercises on low back pain and insomnia provides sufficient data but there is not enough data on the effects of a combination of both exercise on insomnia and low back pain.
The role of progressive muscle exercises has been widely explored. However, limited studies report its effectiveness in pregnant women in their third trimester suffering from pain and insomnia that may or may not be due to that pain. This study aims to determine the effects of relaxation exercises on low back pain and insomnia.