نتایج جستجو برای: lower extremity
تعداد نتایج: 709690 فیلتر نتایج به سال:
The capability of the lower extremity to dynamically interact with the ground is important for skilled locomotor performance. However, there is currently no test method designed to specifically quantify this sensorimotor ability, which we refer to as lower extremity dexterity. We describe a new method to quantify lower extremity dexterity, examine its reliability (n=10), and evaluate the extent...
the relationship between proximal and distal lower limb muscle activities with time to stabilization
abstract introduction: identifying factors which cause the high incidence of acl is of great importance .the anterior shear forces are the primary mechanism of load sustained on the acl. during exercise, the activity of muscles and position of lower limbs may increase or decrease the anterior shear force. the purpose of this study is to investigate the relationship between the activity level of...
A cross-sectional study was carried out to examine the frequency and types of serious injuries in physical educators throughout their professional career, in relation to their gender, age and teaching level, certain factors causing the injuries and the consequences of those injuries on their working ability. The subjects (n = 468) answered a self-administered questionnaire. In men, one group's ...
tone is functionally as resistance to passive movement. it is separated into postural tone and phasic tone. phasic tone is the result of rapid stretching of a tendon and the muscle spindle, however postural tone is the result of a steady, restrained strech on muscles. hypottonia is a decreased resistance to passive movement. the term floppy is frequently used to describe hypotonic children. in ...
The mechanism of the human moving in water relies on the mutual impact of particular segments of the locomotion system. The essence of a small child locomotion in water is not developing speed, but primarily maintaining on the water surface and crossing the longest possible distance [1]. The subject of this work is the time and space analysis of the locomotion cycle of the infants’ lower limb d...
This investigation examined the premise derived from recent reports, that children who are consistent right-handers are better coordinated than their left- and mixed-sided (inconsistent) peers. The observation of limb laterality was extended to include footedness. Two samples of children (N = 273) (foot laterality/hand laterality), matched for age and sex, were assessed for motor proficiency an...
Objective: Stiffness is a characteristic of viscoelastic structures and is an effective factor in sports movement biomechanics, which is an important factor in motion production and neuromechanical control of human body. The purpose of this study is to determine the relationship between lower extremity stiffness and selected biomechanical variables during vertical jumps. Methods: 20 male physi...
Despite the importance of core muscles in kinetic chains, the importance of each muscle compared to others has rarely been investigated. The purpose of this study was to compare the effect of each core muscle fatigue on lower extremity function tests. This quasi-experimental study with a pretest-posttest design was performed on 30 physical educations, female students with the mean age of 23.46±...
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