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Low back pain (LBP) is also one of the most common medical conditions in athletes. There is little doubt that patients with LBP use from their body differently than pain free individuals. The purpose of this review was to investigate changes in motor control which may be present in athletes with LBP. The search strategy for this review consisted of an electronic database search of full text in MEDLINE database. 28 studies met the eligibility criteria, most of which were cross-sectional in nature. The studies were analyzed separately according to the specific sports involved. The studies demonstrate that athletes with LBP exhibit a range of MCI in the trunk, lumbopelvic region and lower extremities. However, inconsistencies were apparent between the results. Athletes with LBP demonstrate MCI during functional and non-functional tasks, similar to non-athletes. More studies, especially large prospective studies which control for non-mechanical factors which may also differ among athletes with LBP are required to determine the relationship between LBP and MCI in athletes.

Background:Stroke is the most common and debilitating neurological disorder among adults, and is a sudden onset of neurological signs caused by brain blood vessels impairments.Objectives:Some new therapeutic methods focus on the use of magnetic stimulation to produce therapeutic effects by inducing the currents. The aim of this study is to determine the effects of rTMS plus routine rehabilitation on hand grip and wrist motor functions in patients with hemiplegia, and compare with pure routine rehabilitation programs.Patients and Methods:In this study, 12 patients with hemiplegia were randomly divided in two groups. Control group, received the rehabilitation program with placebo magnetic stimulation, and the experimental group, received magnetic stimulation with routine rehabilitation program for 10 sessions for three times per week. Pre and post evaluations of treatment performed using Barthel and Fugl-Meyer indices and dynamometers.Results:In the control group, Barthel and Fugl-Meyer indices showed significant improvement (P = 0.01, P = 0.00), while in the experimental group, significant improvement in Barthel and Fugl-Meyer indices and dynamometers has been observed (P = 0.01, P = 0.00, P = 0.007).Conclusions:rTMS can improve hand muscle force and functions of patients with chronic hemiplegia, while conventional treatment is not effective.

Purpose: Post exercise proteinuria and increased urinary Gamma-Glutamyl transferase (GGT) levels can be indicative of exercise-induced renal damage. The aim of this investigation is to study the effect of one session of intensive training on renal damage markers and compare their values to those 6 hours after training. Methods:In this cross-sectional study with pre-and post-test design, 10 elite volunteer female athletes were selected and participated in one training session (2 hours). Urine samples were collected before training, one hour after training, and 6 hours after training. Urinary protein (Pr), creatinine (Cr), and GGT values were measured through laboratory methods and then Pr/Cr and GGT/Cr ratios were computed.Results: There were significant differences between values of protein, GGT and Creatinine in the three sampling phases (P<0.05). However, no significant differences were observed between values for GGT/Cr and Pr/Cr ratio. There were significant differences between the mean values of Creatinine, protein and GGT within pre-exercise and 1 hour post-exercise and within 1 hour postexercise and 6 hours post-exercise (P<0.05). Conclusion:It seems that a session of karate training does not result in renal damage and athletes can continue training after 6 hours.

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