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Background: Non-specific low back pain (NSLBP) is a common musculoskeletal condition causing functional disability and affecting the quality of life. Although both groups had similar training volumes, black athletes reported that they completed more exercise at > 80% VO2max (36 +/- 18 vs. 14 +/- 7%: P < 0.005). Superior distance running performance of the black athletes was not due to a greater (+/- 50%) percentage of type I fibers but was associated with lower blood lactate concentrations during exercise. A battery of 13 fitness tests was applied to assess flexibility, strength/endurance, balance and cardiovascular capabilities. isokinetic trunk extensor test, the Biering-Sørensen test, and the Astrand test as also did age- and gender-matched healthy individuals. Data synthesis determined summary conclusions based on the number of significant relationships divided by the total relationships investigated and reported as a percentage. Trunk Flexor Endurance Test (also called the V-sit-Flexor Endurance Test) Equipment 1. Level of certainty was identified for summary conclusions based on level of evidence. Two helpers 4. Extensor Endurance Test. 2 • The Sorensen test has been validated as a differential diagnostic test for low back pain. © 2008-2020 ResearchGate GmbH. The performance time was much longer in the healthy subjects than in the patients with CLBP during any procedures (p < .01). Trial registration: MATERIALS AND METHODOLOGY Materials 1. When the scores of the sportspersons and non sportspersons groups were compared, no significant difference was found between the two, with the exception of one test for flexibility. Stop Watch 3. Subjects: A pillow is placed between the hips and the table to decrease lumbar lordosis. Main outcome measures: Potential risk factors included anthropometric variables, flexibility, muscle strength, and muscle endurance. High-quality evidence investigating the multifactorial nature of sports injury, including the interactions physical fitness qualities have with other injury determinants, is needed to better understand the role of physical fitness in minimising sports injuries in female, team ball sport players. purpose: this test measures trunk extensor strength, flexibility and endurance. Both groups obtained results below normative values in most of the tests performed. The intra and inter-assessor reproducibility tests was very high for all muscle measurements (the ICC varied between 0.915 and 0.996). Sub-analyses regarding competition level, age, and single injury types were also conducted. Velcro Straps 6. Analyze trunk muscle endurance, lumbar spine mobility and hip flexibility in windsurfers with and without low back pain. Trunk Extensor Test (Tet) This test is used to evaluate spinal and the multifidus. In an attempt to explain an apparently superior running ability of black South African athletes at distances > 3 km, we compared physiological measurements in the fastest 9 white and 11 black South African middle-to long-distance runners. They will be randomised into three groups: two intervention groups i.e. A questionnaire was used to evaluate the health status of participants and their frequency of physical activity practice. Finally, swimmers had their isometric back extension strength measured using a timed horizontal position test. The sailors were divided into two groups (with and without LBP) and compared using the Student’s t-test or Mann Whitney U test. Muscle fatigue was quantified both by measuring the maximal voluntary contraction (MVC) torque before and after a sustained isometric contraction at 25% MVC until exhaustion, and also by the temporal changes observed in the surface electromyographic (EMG) signal recorded during the fatigue task. Test-retest correlation (r) was also analyzed. Thirty-two old adults (60-91 yr) participated in a 4-wk training program of a hand muscle. These tests, which usually assess endurance of trunk extensors, have the Exercise mat or padded exercise table 3. Isometric endurance times were measured in 6 tests: 60° flexor, 45° flexor, curl-up, extensor, and left- and right-side-bridge exercises. Muscle endurance of the trunk extensor was measured using the Sørensen test. The Trunk Lift back extensor strength test requires the participant to lift the upper body off the floor using the muscles of the back, and hold that position while the height is measured. The purpose of this study was to determine the effect of light- and heavy-load strength training on the ability of old adults to perform steady submaximal isometric and anisometric contractions. Outcomes that include trunk range of motion, Transverse Abdominus contraction rate, trunk muscles endurance, level of pain perception, quality of life, functional disability, activity limitation and participation restrictions will be assessed at baseline, 6th and 12th week of intervention, however, while follow-up assessment at 3-months after the intervention. This meta-analysis aimed to estimate the inter- and intra-tester reliability of endurance measures obtained through trunk extension field-based tests and to explore the influence of the moderators on the reliability estimates. These sex differences in sports injury incidence rates may be explained by the differences in risk profiles proposed for males versus females for some sports injuries, including differences in anatomical, hormonal, or neuromuscular factors [14,16,[32][33][34]. This test is part of the FitnessGram and Brockport test batteries. (extensor endurance test), 2) the sternum (flexor endurance test) 3) the right or 4) the left greater trochanter (side bridge test) to maintain trunk position and monitor by a researcher (KS) during each isometric trunk endurance test. This knowledge is required to assist in choosing specific training exercises and for making rehabilitation decisions that require knowledge of normalized and calibrated muscle activation levels in different tasks. Regarding the scores, a significant difference was found in degrees of flexibility between genders, higher for females for one test but higher for males in the other three. These improvements were associated with a reduced level of muscle activation, especially during the lengthening contractions. • The flexor endurance test begins with the person in a sit-up position with the back resting against a jig angled at 60 degrees from the floor. Participants The aim of this study is to describe the physical fitness profile of adult athletes with ID and identify whether there are differences in the physical performance. In view of the literature, this matter has already been widely discussed in recent years but with varied results [25. Low back pain is one of the most common injuries in sailors. At 6 weeks, no differences were found for pain measurements, disability scores, and holding time on the Sorensen Test. The trunk flexion test is known to have excellent interrater reliability (ICC = 0.97-0.98). Several isometric abdominal exercises were evaluated using the criteria of maximizing abdominal activation while minimizing psoas activity: the side (bridge) support exercise proved the best training method for the abdominal wall. purpose: this test measures trunk extensor strength, flexibility and … If the upper part of the body drops below the horizontal position, then the person has failed the test. This study investigated the relationship between the habitual level of physical activity (PA), assessed by the modified Baecke, Black athletes currently dominate long-distance running events in South Africa. The objective of this study was to investigate the effect of different trunk postures during the abdominal flexor test on isometric endurance holding times and surface electromyographic (EMG) activity of contributing trunk flexor and extensor muscles in 16 healthy college-age male rowers (age, 22.0 …. This suggests that chronic LBP is associated with decreased endurance of the trunk extensor muscles. Reduced muscle performance, related to the loss of muscle mass and strength, is a common and natural part of ageing. Am J Phys Med Rehabil 2005;84:473-480. Exercise therapy especially Dynamic Stabilisation Exercises (DSE) and Muscle Energy Techniques (MET) are frequently used in the treatment of NSLBP. However, although there are some normative values for a few muscle endurance tests, these do not consider the mass, size or age of individuals, which are well-known factors that influence muscle performance. This study also showed that trunk muscles in patients with CLBP were more easily fatigued, compared with those in healthy subjects. http://internationalanklesymposium.web.unc.edu/. Nevertheless, it is generally believed that regular participation in activities of moderate intensity may slow down these age-related changes. Discussion: The study outcome will determine the combined effect of DSE plus MET on trunk muscles functions, level of pain perception, quality of life, functional disability, activity limitations and participation restrictions in patients with chronic NSLBP. For the static endurance capacity of the trunk muscles there is sufficient data for the back muscles [19], ... 145 s [21] and approx. 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