Muscular strength and power generating ability decline with advancing age. Older adults adapt their lower limb motor patterns to cope with these declines in muscle function. When mechanical demands approach limits of lower limb muscular capacity, motor patterns must be adapted to produce a desired movement. The term “motor pattern” is used to broadly represent the kinematic and kinetic profile ...

The purpose of this investigation was to determine the effect of unexpected forward perturbations (FP) during gait on lower extremity joint mechanics and muscle Electromyographic (EMG) patterns in healthy adults. The muscles surrounding the hip were found to be most important in maintaining control of the trunk and preventing collapse in response to the FP. Distinct lower extremity joint moment...

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 ...

background: chronic wounds are a serious problem for the patient and can increase the socioeconomic burden on the healthcare system and community. this study aimed at investigating the effect of angioplasty on chronic ischemic wound healing. methods: this study was conducted in sina hospital, affiliated to tehran university of medical sciences. thirty-eight patients with chronic ischemic wounds...

background: venoplasty and stenting is a minimally invasive therapy that can be used for patients with deep venous insufficiency in the lower extremities. this study aimed at investigating the effect of venoplasty and venous stenting in patients with chronic venous insufficiency in the lower limbs. methods : this prospective case-series study recruited patients with chronic deep venous insuffic...

background providing care for patients with chronic disability affects caregivers’ social lives and relationships and can lead to poor health and lower quality of life. objectives in this study, our goal was to assess the quality of life in spouses of war veterans with bilateral lower limb amputations to find factors affecting caregivers’ quality of life. patients and methods in a cross-section...

the goal of this study was to define the normal range of diameter in the deep vein of the lower limb and to compare this range with diameter of the veins with acute thrombosis and of veins with chronic thrombosis by using color doppler sonography. the study was cross sectional. the vein diameter and vein to artery ratio in different levels were measured and the following results were obtained. ...

Background. Lower extremity muscles weakness occur after the reconstruction of anterior cruciate ligament (ACLR), specifically hip muscles. The literature suggests that decreased strength which results from ACLR can lead to biomechanical changes in lower extremity. Objective. aim current study was assess effects adding strengthening exercises with traditional on early outcomes ACLR. Materials a...

INTRODUCTION The relationship between skeletal muscle strength and respiratory dysfunction in Pompe disease has not been examined by quantitative methods. We investigated correlations among lower extremity proximal muscle strength, respiratory function, and motor performance. METHODS Concentric strength of the knee extensor and flexor muscles was measured with a dynamometer, and pulmonary fun...

A computer simulation was carried out to investigate the forces of lower extremity muscles in the swing phase of a transtibial amputee gait. With each muscle as an ideal force generator, the lower extremity was simulated as a two-degrees of freedom linkage with the hip and knee as its joints. Kinematic data of hip and knee joints were recorded by a motion analysis system. Through a static optim...