Javad Sarrafzadeh
Physical Therapy Department, Rehabilitation Faculty, Iran University of Medical Sciences, Tehran, Iran.
[ 1 ] - The effects of arm movement on reaction time in patients with latent and active upper trapezius myofascial trigger point
Background: Myofascial pain syndrome is a significant source of mechanical pain. The aim of this study was to investigate the effects of arm movement on reaction time in females with latent and active upper trapezius myofascial trigger point. Methods: In this interventional study, a convenience sample of fifteen women with one active MTP, fifteen women with one latent MTP in the upper trapez...
[ 2 ] - Changes in postural and trunk muscles responses in patients with chronic nonspecific low back pain during sudden upper limb loading
Background: Alterations in the neuromuscular control of the spine were found in patients with chronic low back pain (CLBP). Sudden loading of the spine is assumed to be the cause of approximately 12% of lower back injuries. However, some aspects of this problem, such as alterations in the sensory–motor control of the spine, remain questionable. This study investigated postural and neuro–motor...
[ 3 ] - مقایسه قوس‌های توراسیک و کمر بین افراد دچار جلو آمدگی سر و افراد سالم
مقدمه و اهداف در زندگی امروزی با پیشرفت تکنولوژی، شرایط مدرن زندگی، وجود کامپیوتر و کار کردن در وضعیت نادرست بدون انجام فعالیت فیزیکی کافی، آناتومی و بیومکانیک ستون فقرات تغییر پیدا می‌کند، بنابراین تشخیص انحرافات پاسچرال و ارتباط کینماتیکی آنها در پیشگیری و درمان این اختلالات از اهمیت ویژه‌ای برخوردار است. یکی از اختلالات شایع پاسچرال، پاسچر جلو آمده سراست. هدف از مطالعه حاضر ارزیابی قوس‌های س...
[ 4 ] - Effect of Vitamin D Supplement Consumption on Muscle Strength, Muscle Function and Body Composition in Vitamin D-deficient Middle-aged Women: A Randomized Clinical Trial
Background and Objectives: Sarcopenia is explained as the loss of muscle strength and muscle mass with aging‚ and is one of the major risk factors for metabolic diseases. Cross-sectional studies demonstrate that vitamin D is associated with sarcopenia in both men and women. The aim of this study was to investigate the effect of vitamin D supplement consumption on muscle strength, muscle f...
[ 5 ] - Comparison of Postural Balance between Subgroups of Nonspecific Low-back Pain Patients Based on O’Sullivan Classification System and Normal Subjects during Lifting
Background: Balance disorder is one of the most-studied fields in low-back pain patients (LBP). However, there isinsufficient information regarding the effect of LBP subgrouping on postural control. The purpose of the present studywas to compare postural control between subgroups of chronic nonspecific LBP and healthy subjects during lifting.Methods: A total of 35 men with chronic LBP (19 activ...
[ 6 ] - The Ratio of Lumbar to Hip Motion during the Trunk Flexion in Patients with Mechanical Chronic Low Back Pain According to O’Sullivan Classification System: A Cross-sectional Study
Background: Static and dynamic postures of lumbopelvic in low back pain (LBP) are considered as two importantaspects of clinical assessment and management of LBP. Thus, the focus of the current study was to compare theposture and compensatory strategy of hip and lumbar region during trunk flexion between LBP subgroupsand healthsubjects. LBP cases are subdivided into active extension pattern (AE...
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