scholarly journals The Effect of a Training Program Using Speed-Specific Strength Exercises on Sensory-Motor Perception in Learning Stroke Forehand Smash in Badminton Material for Students of the Hashemite University

2020 ◽  
Vol 8 (6) ◽  
pp. 299-307
Author(s):  
Mahmoud Al-Haliq
2021 ◽  
Author(s):  
Gabriela Souza de Vasconcelos ◽  
Guilherme Silva Nunes ◽  
Christian John Barton ◽  
Raquel Fantinelli Munhoz ◽  
Maria Eduarda Chinotti Batista da Silva ◽  
...  

Abstract Background: Strong evidence supports the proximal combined with quadriceps strengthening for patellofemoral pain (PFP) rehabilitation. However, most reported rehabilitation programs do not follow specific exercise prescription recommendations or do not provide adequate details for replication in clinical practice. Furthermore, people with PFP have power deficits in hip and knee muscles and remains unknown whether the addition of power exercises would result in superior or more consistent outcomes. Therefore, this study is designed to verify whether the benefits of a rehabilitation program addressing proximal and knee muscles composed by power and strength exercises are greater than those of a program composed by strength exercises only. Method: This study will be a randomized controlled trial, that will be conducted at university facilities. A minimum of 74 people with PFP between the ages of 18 and 45 years will be included. The experimental group will engage in a 12-week resistance training program focusing on proximal and knee muscles using power and strength exercises. The control group will engage in a 12-week resistance training program focusing on proximal and knee muscles using strength exercises only. Primary outcomes will be pain intensity and physical function; and secondary outcomes will be kinesiophobia, self-reported improvement, quality of life, peak hip and knee torque, and hip and knee rate of force development. The primary outcomes will be evaluated at baseline, and after six weeks, twelve weeks, three months, six months and one year. The secondary outcomes will be evaluated at baseline and immediately after the interventions. Therapists and participants will not be blinded to group allocation.Discussion: This randomized clinical trial will investigate if adding power exercises to a progressive resistance training may lead to more consistent outcomes for PFP rehabilitation. The study will provide additional knowledge to support rehabilitation programs for people with PFP.Trial registration: ClinicalTrials.gov NCT 03985254. Registered on 26 August 2019.


1994 ◽  
Vol 10 (1) ◽  
pp. 1-13 ◽  
Author(s):  
Antti Mero ◽  
Paavo V. Komi

This study was undertaken to compare force-time characteristics, muscle power, and electromyographic (EMG) activities of the leg muscles in maximal sprinting and in selected bounding and jumping exercises. Seven male sprinters performed maximal bounding (MB), maximal stepping (MS), maximal hopping with the right (MHR) and left (MHL) legs, and maximal sprint running (MR). These “horizontal” exercises and running were performed on a force platform. EMG activity was telemetered unilaterally from five leg muscles during each trial. The results indicated significant (p < .001) differences among the studied exercises in velocity, stride length, stride rate, flight time, and contact time. Also, significant differences were noticed in reactive forces (p < .01-.001) and power (p < .01) among the performances, whereas only insignificant differences were observed in EMG patterns. The average resultant forces during the braking and propulsion phases in MS, MHR, and MHL were greater (p < .001) than in MR and MB. Stepping and hopping are cyclic and sprint-specific and may be used as strength exercises for sprinters because of great strength demand.


Trials ◽  
2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Gabriela Souza de Vasconcelos ◽  
Guilherme Silva Nunes ◽  
Christian John Barton ◽  
Raquel Fantinelli Munhoz ◽  
Maria Eduarda Chinotti Batista da Silva ◽  
...  

Abstract Background Strong evidence supports the proximal combined with quadriceps strengthening for patellofemoral pain (PFP) rehabilitation. However, most reported rehabilitation programs do not follow specific exercise prescription recommendations or do not provide adequate details for replication in clinical practice. Furthermore, people with PFP have power deficits in hip and knee muscles and it remains unknown whether the addition of power exercises would result in superior or more consistent outcomes. Therefore, this study is designed to verify whether the benefits of a rehabilitation program addressing proximal and knee muscles comprising power and strength exercises are greater than those of a program consisting of strength exercises only. Method This study will be a randomized controlled trial that will be conducted at university facilities. A minimum of 74 people with PFP between the ages of 18 and 45 years will be included. The experimental group will engage in a 12-week resistance training program focusing on proximal and knee muscles using power and strength exercises. The control group will engage in a 12-week resistance training program focusing on proximal and knee muscles using strength exercises only. Primary outcomes will be pain intensity and physical function; and secondary outcomes will be kinesiophobia, self-reported improvement, quality of life, peak hip and knee torque, and hip and knee rate of force development. The primary outcomes will be evaluated at baseline, and after 6 weeks, 12 weeks, 3 months, 6 months, and 1 year. The secondary outcomes will be evaluated at baseline and immediately after the interventions. Therapists and participants will not be blinded to group allocation. Discussion This randomized clinical trial will investigate if adding power exercises to a progressive resistance training may lead to more consistent outcomes for PFP rehabilitation. The study will provide additional knowledge to support rehabilitation programs for people with PFP. Trial registration ClinicalTrials.gov NCT 03985254. Registered on 26 August 2019.


2020 ◽  
Vol 19 (3) ◽  
pp. 0074
Author(s):  
Dr. Shaimaa Ali

The importance of research that has manifested in raising the level of perception and its different types for students in the intermediate stages of education using a method and principle from the principles of mathematical training science is repeated because of its great importance in building the correct motor side, in addition to delivering scientific information to trainers and teachers about the importance of this training to the teacher And the student in raising the level of perceptual-motor.  The research objectives were: 1- Preparing special exercises according to the principle of re-training in the development of kinesthetic perception among middle school students. 2- Knowing the effect of special exercises according to the principle of re-training in developing sensory-motor perception among middle school students. Conclusion : 1-Training according to the principle of repetition has scientific significance in promoting and developing perceptual-motor awareness among middle school students. 2- The development of perceptual-motor awareness raises the aesthetic of the technical performance of sports for middle school students. 3-Adopting training according to the principle of repetition in the physical education lesson because of its scientific importance in promoting and developing perceptual-motor awareness among middle school students. 4-The emphasis in the physical education lesson on sensory-motor perception increases the aesthetic performance of athletic sports among middle school students


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