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Articles 1 - 4 of 4
Full-Text Articles in Musculoskeletal System
The Effects Of Differing Bicycle Frame Geometry On Muscle Recruitment Strategies And Power During A 30-Second Wingate Anaerobic Test, Patrick Hills-Meyer
The Effects Of Differing Bicycle Frame Geometry On Muscle Recruitment Strategies And Power During A 30-Second Wingate Anaerobic Test, Patrick Hills-Meyer
Masters Theses
The purpose of this study was to test how changing the bicycle frame geometry; from a shallow frame geometry [seat tube angle (STA) of 72°] to a steep frame geometry (STA of 82°) affected the electromyographic (EMG) signal of the hamstrings [biceps femoris (BF) and semitendinosus (ST) muscles] and the quadriceps [vastus medialis (VM) and vastus lateralis (VL)] and power (max, mean, min, and, % drop) during a Wingate anaerobic test (WAT). To measure the muscle recruitment and power, 12 experienced triathletes were prepped with surface electrodes to measure EMG amplitude and an electrogoniometer to measure knee joint angle while …
Qtc Is Associated With Obesity And Physical Activity Level For African American Females, C. Jayne Brahler
Qtc Is Associated With Obesity And Physical Activity Level For African American Females, C. Jayne Brahler
Health and Sport Science Faculty Publications
Long QT syndrome (LQTS) is an independent risk factor for cardiovascular or ischemic disease mortality. Obesity as a cause for acquired LQTS in otherwise healthy individuals is rapidly gaining the attention of the scientific community. African American people have a higher incidence of obesity compared to Caucasians, yet race-specific information is not available for their prevalence of LQTS. Chronic physical activity can help reduce the incidence of obesity, yet little is known about the effects of chronic physical activity on acquired LQTS. Subjects in this study were a volunteer sample of African American mothers (21-53 yr, n = 44) and …
The Effects Of Ankle Taping And Spatting On The Reaction Times Of The Supporting Musculature Of The Ankle Before And After Exercise In Healthy And Functionally Unstable Ankles, Jennifer I. Mckenzie
The Effects Of Ankle Taping And Spatting On The Reaction Times Of The Supporting Musculature Of The Ankle Before And After Exercise In Healthy And Functionally Unstable Ankles, Jennifer I. Mckenzie
Human Movement Studies & Special Education Theses & Dissertations
Ankle taping is a common practice in the athletic training room, but there is minimal evidence to support its effectiveness in enhancing muscle activation. The purpose of this study was to examine the effects of ankle taping on muscle activation following sudden inversion in functionally unstable and healthy ankles before and after exercise. Fourteen recreational athletes with a unilateral functionally unstable ankle volunteered to participate. Surface EMG electrodes were placed on the peroneals and anterior tibialis muscles of both extremities. Each subject received four treatment conditions; ankle taping, ankle taping with spatting, spatting, and no tape in a randomly assigned, …
Deep Muscle Function In The Cervical Spine: Application To Musculoskeletal Modelling, Jonathon Green
Deep Muscle Function In The Cervical Spine: Application To Musculoskeletal Modelling, Jonathon Green
Theses : Honours
Neck pain in occupational tasks is a problem that involves a high cost to society therefore, understanding the mechanics of musculoskeletal loading is important in formulating preventative rehabilitation strategies. Musculoskeletal modelling of the neck provides a means by which to calculate loads on the components and muscles of the neck thus allowing quantitative data to be gained non-invasivcly for a wide range of occupational tasks. Anatomically detailed, electromyography (EMG) driven neck models require deep muscle EMG activation profiles which arc difficult to attain without invasive EMG procedures. The aim of this study was to determine whether EMG activity of semispinalis …