Correlation of Trunk Muscle Endurance in Different Body Mass Index among College Student

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International Journal of Research and Scientific Innovation (IJRSI) | Volume V, Issue I, January 2018 | ISSN 2321–2705

Correlation of Trunk Muscle Endurance in Different Body Mass Index among College Student

K.Bharathi1, S. Sathyapriya2

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1B.P.T, M.I.A.P, SRM College of Physiotherapy, SRM Institute of Science and Technology, Kattankuthur- 603202, India
2SRM College of Physiotherapy, SRM Institute of Science and Technology, Kattankuthur- 603202, India

I. INTRODUCTION

It is one of the fundamental elements of muscular performance which has its relevance to activities like bending and lifting activities of daily living, being examples of activities in which the ability to resist fatigue in trunk extensors, especially in an industrial setting2. In order to maintain proper position of spine the back extensors are responsible to maintain lordos is thus controlling rate and flexion magnitude with the ground reaction forces3. Endurance (a measure of fitness) is the ability to work for prolonged periods of time and the ability to resist fatigue. It includes muscular endurance and cardio vascular endurance. Muscular endurance is defined as the ability to perform repeated contractions over a period of time for an isolated group of muscle, whereas as cardiovascular endurance is defined as the ability to perform dynamic exercises for larger muscle groups, such as walking swimming, or biking for long periods of time. Low back pain occurs as a result of trunk muscle with the poor endurance in the lumbar spine which induce strain on the passive structures4. For people with low back pain there is a lower muscular endurance when compared to people not with the low back pain5. The inactivity and pain make trunk muscles fatigue under normal conditions and hindering to act continuously throughout the day and trunk muscle with lower endurance contributes to low back pain6. To prevent lumbar pain, the endurance of the stabilizers is most important and there is a poor association between the spinal health and strength of lumbar stabilizers2,7. To maintain spinal stability, motor control is an important factor and motor control errors arise with increase in reduced endurance and fatigue which occurs as a result of improper muscle forces4. To improve performance and to reduce disability subsequently the training of trunk muscle endurance is recommended with increased fatigue threshold5. For the aetiology of low back pain , trunk extensors with poor endurance have not only been implicated but also been with the occurrence of low back pain for the first time4,6. Muscle endurance is the ability to exert a force repeatedly against a resistance performing with multiple repetitions for a group of muscles as like swimming or running. Decreased lumbar pelvic or core stability has been suggested to contribute to the aetiology of lower extremity injuries, particularly in females. Students who reported low back pain were found to have trunk extensor with decreased endurance14. And this found to be the predictor of LBP11,12. In trunk muscle endurance deficits there occurs an imbalance of flexion and extension trunk muscle endurance. The imbalance of flexion and extension endurance is associated with the cause of low back pain proving that extensor having with less endurance than flexor19. This testing procedure provides clinician a time intensive, expensive. Trunk muscle endurance testing is necessary for two reasons. One, these muscles are predominantly muscle fibers with type I16, 17 that appears to occur as a result of deconditioning which is more anaerobic. Two, isometric strength of trunk muscles maximum was not associated with low back pain in an athlete. The term endurance training generally refers to training the aerobic system as opposed to anaerobic. First, Hansen in 1964 described the evaluation of isometric of trunk muscle endurance and later in 1984 it is followed Biering Sorensen which was known as the ‘Sorensen test’ and considered as a popularity tool for low back pain in males within next years25. This consists of measuring a person’s amount of time that enable him to hold the unsupported upper body in a horizontal prone position fixing the body to the examining table.