نتایج جستجو برای: muscles
تعداد نتایج: 55133 فیلتر نتایج به سال:
We transplanted external intercostal muscles from one of several thoracic (T) levels to the neck of adult rats. The cervical sympathetic trunk, which innervates the superior cervical ganglion, was cut, and its proximal end was apposed to the muscle. Preganglionic axons in the trunk reinnervated muscle fibers in the transplants. We determined the segmental origin of synaptic inputs to transplant...
Introduction: Plyometric training via neuromuscular adaptations to the stretch reflex, elasticity of muscle and Golgi tendon organs has an important role in pre-activation of muscles. Due to lack of research in regard to effect of plyometric training on lumbo pelvic muscle, this study aimed to investigate the effect of plyometric training on lumbo pelvic muscle pre-activation in active females w...
Background and purpose: Strengthening the cervical extensor muscles is recommended as a way of prevention and treatment of neck pain. The purpose of this study was to investigate the effect of two different exercise protocols on isometric strength of the head and neck extensor muscles in healthy subjects. Material and Methods: In this study, a total of twenty-eight healthy females, 20-25 yea...
Objective: Evaluation of paraspinal muscles endurance in patients with chronic low back pain (LBP) seems to be of great importance. Many studies demonstrated that surface electromyography has merit to assess muscle fatigue using frequency spectrum. The purpose of this study was to systematically review the eligibility of the surface electromyography in the assessment of paraspinal muscles fatig...
Background: The shoulder joint internal rotation deficit is inter alia the most important risk factors for throwing athletes. Thus, the present study aims at investigating the effect of eight weeks of rotator cuff muscles’ specific exercises on the range of motion, proprioception and the activation time of the selective shoulder muscles in male volleyball players with shoulder joint inter...
We have followed the pupal development of the indirect flight muscles (IFMs) of Drosophila melanogaster. At the onset of metamorphosis larval muscles start to histolyze, with the exception of a specific set of thoracic muscles. Myoblasts surround these persisting larval muscles and begin the formation of one group of adult indirect flight muscles, the dorsal longitudinal muscles. We show that t...
Muscle force can be transmitted via connective tissues to neighboring muscles. The goal of this research is to determine the extent to which this effects force summation between synergists during physiological conditions. This manuscript reviews two studies examining the interaction between synergists in cat hindlimb. Deeply anesthetized cats were mounted in a rigid frame with the foot secured ...
Background and Aim: Activity of trunk muscles is essential for the stability of lumbar spine because of the unstable structure of that portion of the spine. Also stabilization of the core and pelvis are necessary for all movements of the extremities. In order to investigate how function of the central nervous system in landing on trunk muscles . With this situation the timing component of the m...
Objective: Concerning the possible role of CGRP in NMJ, the aim of this research was to study the effect of an endurance training program on relative content of this neuropeptide in NMJ, of fast plantaris and slow Soleus muscles of female rats. Methods: The end plates were identified by FITCc-labled - α -bungarotoxin and relative content of CGRP of never endings were determined by Immunohisto...
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