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Full-Text Articles in Medicine and Health Sciences
The Effect Of Obstacle Intervals On Foot Integrated Pressure And Obstacle Negotiation Strategy, Zhuo Wang
The Effect Of Obstacle Intervals On Foot Integrated Pressure And Obstacle Negotiation Strategy, Zhuo Wang
Theses & Dissertations
When stepping over a single obstacle, despite of some spatiotemporal parameter changes, the impulse of the leading and trailing leg stays the same. This is considered an efficient obstacle avoidance strategy. However, research has shown that the strategy of multiple obstacles negotiation is different from a single obstacle crossing. Would this efficient strategy still exist during multiple obstacles negotiation? This study attempted to answer this question. Nineteen healthy young adults were recruited in this study. Each participant was required to complete 15 trials under 3 conditions: one-step, two-step, and three-step intervals. Data were collected for foot integrated pressure (FIP), walking …
Is The Walking Pattern Similar Between Slope Walking And Obstacle Negotiation?, Jiani Lu
Is The Walking Pattern Similar Between Slope Walking And Obstacle Negotiation?, Jiani Lu
Theses & Dissertations
Studying biomechanical characteristics of human motion sheds light on the motor control strategies in the central nervous system. Slope walking and obstacle negotiation appear to have some similarities in control strategies based on subjective observation, but these two motions have never been compared objectively in biomechanics literature. This study aimed to investigate the similarities between obstacle negotiation and slope walking in kinematics and muscle activity. The similarities were determined by the correlation of the maximum heel elevation and muscle co-activation index between obstacle negotiation and inclined treadmill walking. The strength of correlation was compared in four different pairs of conditions: …
Quantifying Fear Of Falling By Utilizing Objective Body Sway And Muscle Contraction Measures, Chenfan Gui
Quantifying Fear Of Falling By Utilizing Objective Body Sway And Muscle Contraction Measures, Chenfan Gui
Theses & Dissertations
Fear of falling (FOF) is a psychological condition that can lead to increased morbidity and mortality in the elder population. However, the subjective and multidimensional nature of FOF resulted in the limitations of existing FOF measurements, which could influence the quality of those studies. The present study aimed to quantify FOF by using objective center of pressure (COP) trajectories and muscle contraction of the lower extremity to compensate for those limitations. Nineteen young healthy adults (24 years ± 2.47) were recruited in the present study. Subjects were required to watch three 360-degree videos, one control video and two roller coaster …
Adaptation Of Human Locomotion And Unilateral Limb Loading During Different Inclination Treadmill Walking, Yuhang Zhang
Adaptation Of Human Locomotion And Unilateral Limb Loading During Different Inclination Treadmill Walking, Yuhang Zhang
Theses & Dissertations
Human locomotion is adaptive in any external environment or different terrains, which has been widely investigated. For example, people can walk at different walking speeds in each leg on a split-belt treadmill. However, human locomotor behaviors are passively adapted during the split-belt treadmill walking. Therefore, the knowledge of how humans actively adjust the flexibility of locomotion is limited by using the split-belt treadmill. To address this gap, this study investigated the flexibility of locomotion by using a 4-lb ankle weight on the dominant leg to induce the asymmetric walking pattern when walking on the inclined, declined, and level treadmill. Twenty …