نتایج جستجو برای: joint strength

تعداد نتایج: 389891  

2016
Lei Wang

[Purpose] The aim of this study was to examine the immediate effects of neuromuscular joint facilitation (NJF) on the functional activity level after rehabilitation of anterior cruciate ligament (ACL) reconstruction. [Subjects and Methods] Ten young subjects (8 males and 2 females) who underwent ACL reconstruction were included in the study. The subjects were divided into two groups, namely, kn...

Journal: :Journal of applied biomechanics 2012
Laura A Frey-Law Andrea Laake Keith G Avin Jesse Heitsman Tim Marler Karim Abdel-Malek

Recognizing the importance of both the torque-angle and torque-velocity relations, three-dimensional (3D) human strength capabilities (i.e., peak torque as a function of both joint angle and movement velocity) have been increasingly reported. It is not clear, however, the degree to which these surfaces vary between joints, particularly between joints with similar biomechanical configurations. T...

Sabet, H., Razavi, A.S. ,

In this research, the FSW Butt joint of commercial aluminum 1050 was investigated by using the 7075 aluminum alloy interlayer on the linear velocity of 30, 50 and 100 mm / min, and rotational speeds of 800 and 1200 rpm. A threaded cylindrical tool was used for joining of the 5 mm sheets. The OM, SEM, microhardness and tensile tests were done. The results shows that in sample with an interlayer ...

2013
Hongdan Wang Ming Huo Qiuchen Huang Desheng Li Hitoshi Maruyama

[Purpose] This study investigated the change in hip muscle strength of younger persons after neuromuscular joint facilitation (NJF) treatment. [Subjects] The subjects were 45 healthy young people, who were divided into two groups: a NJF group and a proprioceptive neuromuscular facilitation (PNF) group. The NJF group consisted of 21 subjects (11 males, 10 females), and the PNF group consisted of...

2016
Kyoungkyu Jeon Sungyung Chun Byoungdo Seo

[Purpose] The aim of this study was to collect basic data on the effect of asymmetry on the muscle strength of the left and right knee and ankle joints of soccer players at varying athletic performance levels, to guide the development of improved exercise programs. [Subjects and Methods] Forty-nine soccer players at three athletic performance levels participated: 15 professional, 16 amateur, an...

2012

1 ATE-80212044©Asian-Transactions September 2012 Study the Effect of Welding Joint Location on the Fatigue Strength and Fatigue Life for Steel Weldment Dr.Ali Sadiq Yasir Kufa University / Faculty of Engineering Mechanical Engineering Department IRAQ E-mail:[email protected] / [email protected] Abstract: The welding process is one of the oldest joining processes between the ma...

Journal: :Clinical biomechanics 2009
Cara L Lewis Shirley A Sahrmann Daniel W Moran

BACKGROUND Understanding the magnitude and direction of joint forces generated by hip strengthening exercises is essential for appropriate prescription and modification of these exercises. The purpose of this study was to evaluate hip joint forces created across a range of hip flexion and extension angles during two hip strengthening exercises: prone hip extension and supine hip flexion. METH...

For the purpose of exploring deformation characteristics of jointed rock masses, influence of joint inclination and confining pressure on the mechanical behavior of discontinuous rock a series of compression tests were conducted under satisfactory testing conditions on three types of sandstone from various locations. Three groups of jointed specimens were used in this research, including specim...

2015
Abhinandan Batra Yong Tai Wang Elisabeth Burgess Yong Tai Zhanghua Li

Osteoarthritis (OA) is a degenerative joint disorder and one of the leading causes of disability in elderly. Tai Chi is seen to be effective in relieving symptoms of OA knee joint. The main aim of this study is to design a Tai Chi program and a strength training program for the elderly with knee OA and to compare the effects of these programs on the range of motion, gait, pain and balance. 20 p...

2005
T. Vallée

Experimental and numerical investigations were carried out on adhesively bonded full-scale double lap joints from pultruded GFRP profiles with relatively thick adhesive layers, needed in infrastructure applications to compensate for tolerances. The influence of different geometrical parameters on the joint strength was investigated, namely the thickness of the adhesive layer (from 5 to 35 mm), ...

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