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Full-Text Articles in Kinesiology
Dexterous Manipulation Capabilities Are Associated With Change In Discharge Rate Properties Of Motor Neurons With Age, Mukta N. Joshi
Dexterous Manipulation Capabilities Are Associated With Change In Discharge Rate Properties Of Motor Neurons With Age, Mukta N. Joshi
Theses and Dissertations
Aging is accompanied by declines in manual dexterity and fine motor control. The purpose of this research was to compare hand motor control in young and older adults and examine the neuromuscular mechanisms responsible for enabling these interactions. We test force variability during isometric and dynamic contractions, manual dexterity and track motor unit activity to identify the neuromuscular mechanisms responsible for changes in dexterity with age. 26 older adults (66-86 years) and 28 young adults (19 – 38 years) participated in the study. Research participants performed force matching tasks during index finger abduction, precision pinch, static pressing and hybrid force/ …
Accuracy And Precision Of Wearable Camera Media Annotations To Estimate Dimensions Of Physical Activity And Sedentary Behavior, Julian Martinez
Accuracy And Precision Of Wearable Camera Media Annotations To Estimate Dimensions Of Physical Activity And Sedentary Behavior, Julian Martinez
Theses and Dissertations
Physical activity (PA) is a complex behavior to measure given its sporadic nature and its all-encompassing definition as bodily movement produced by skeletal muscles that result in increased energy expenditure. Sedentary behavior (SB) is another complex health behavior to measure as it is more exactly defined as sitting, reclining, or lying while having an energy expenditure ≤ 1.5 metabolic equivalents (METs). For both PA and SB, it is important to measure the dimensions of frequency, intensity, duration and type of activity being performed when associating the volume of PA and SB with different health outcomes. However, commonly used measurement tools …