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Full-Text Articles in Life Sciences

Altering Entry Angles In A Jump Landing Task Modifies Biomechanical Risk Factors Of Acl Injury, Shekoofe Saadat, Mitchell L. Stephenson, Jason C. Gillette Jul 2019

Altering Entry Angles In A Jump Landing Task Modifies Biomechanical Risk Factors Of Acl Injury, Shekoofe Saadat, Mitchell L. Stephenson, Jason C. Gillette

Kinesiology Presentations, Posters and Proceedings

This study investigated the effects of changing the entry-angle of a jump landing movement on ACL injury risk factors. Eight female recreational athletes performed 21 trials of a jump landing task. The direction of the first jump varied from -90° to 90° from the anterior axis in 30-degree increments. As the entry angle increased to the left, peak knee flexion and valgus angles as well as external valgus moments remained the same. In conditions where participants jumped more to their right, knee flexion angles were smaller and knee external valgus moments were greater. It can be concluded that kinematic analyses ...


Exoskeletons: Used As Ppe For Injury Prevention, Terry Butler, Jason C. Gillette Mar 2019

Exoskeletons: Used As Ppe For Injury Prevention, Terry Butler, Jason C. Gillette

Kinesiology Publications

THIS ARTICLE FOCUSES ON THE PREVENTION of shoulder musculoskeletal disorders (MSDs) commonly associated with muscle fatigue and repetitive overuse in an occupational setting. The authors’ purpose and motivation are the potential consideration of exoskeletons as PPE for shoulder injury prevention


Evaluating Motivational Interviewing And Habit Formation To Enhance The Effect Of Activity Trackers On Healthy Adults’ Activity Levels: Randomized Intervention, Laura D. Ellingson, Jeni E. Lansing, Kathryn J. Deshaw, Karissa L. Peyer, Yang Bai, Maria Perez, L. Alison Phillips, Gregory Welk Feb 2019

Evaluating Motivational Interviewing And Habit Formation To Enhance The Effect Of Activity Trackers On Healthy Adults’ Activity Levels: Randomized Intervention, Laura D. Ellingson, Jeni E. Lansing, Kathryn J. Deshaw, Karissa L. Peyer, Yang Bai, Maria Perez, L. Alison Phillips, Gregory Welk

Psychology Publications

Background: While widely used and endorsed, there is limited evidence supporting the benefits of activity trackers for increasing physical activity; these devices may be more effective when combined with additional strategies that promote sustained behavior change like motivational interviewing (MI) and habit development. Objective: This study aims to determine the utility of wearable activity trackers alone or in combination with these behavior change strategies for promoting improvements in active and sedentary behaviors. Methods: A sample of 91 adults (48/91 female, 53%) was randomized to receive a Fitbit Charge alone or in combination with MI and habit education for 12 ...


Associations Of Cardiorespiratory Fitness And Muscular Strength With Arterial Stiffness In Older Adults, Emma Elizabeth Albin Jan 2019

Associations Of Cardiorespiratory Fitness And Muscular Strength With Arterial Stiffness In Older Adults, Emma Elizabeth Albin

Graduate Theses and Dissertations

Purpose: To evaluate the independent and combined associations of cardiorespiratory fitness (CRF) and muscular strength (MS) with arterial stiffness (AS) in older adults.

Methods: This cross-sectional study included 427 older adults aged ≥65 years (mean age 72). CRF was assessed by time (seconds) to complete a 400-m walk test and MS by overall grip strength (maximum out of 3 trials on each hand, averaged; Jamar Plus+ 12-064). Carotid-femoral pulse wave velocity (PWV) was used to assess AS (AtCor, Sphygmocor Xcel). High AS was defined as a PWV of 10 m/s or greater, as it has been established as a ...


Effects Of Preseason Concussion Education On Self-Reported Likelihood And Confidence In Concussion Reporting, Dana Edward Cash Jan 2019

Effects Of Preseason Concussion Education On Self-Reported Likelihood And Confidence In Concussion Reporting, Dana Edward Cash

Graduate Theses and Dissertations

Around three million concussions happen in the United States from sport and recreational activity alone, and it is estimated 50% of concussions go undiagnosed. Collegiate athletes have been found to not report their symptoms of concussion mainly because they felt their symptoms were not severe enough and they did not think there were any long-term consequences from continuing to play. This study attempts to find if preseason concussion education for collegiate hockey players and club athletes changes their perceptions about concussions, and if these changes are maintained after returning to sport/competition. This study used three identical surveys over three ...


Biomechanical Effects Of Shod Vs. Unshod Deadlift In Males, Jacob La Marche Jan 2019

Biomechanical Effects Of Shod Vs. Unshod Deadlift In Males, Jacob La Marche

Graduate Theses and Dissertations

There are many forms of resistance training, with the barbell squat, bench press, and deadlift being three of the most popular exercises. The squat and bench press have been examined extensively, while the deadlift has not. The purpose of this study was to examine participants performing the barbell deadlift while wearing their normal lifting shoes and while barefoot. Thirty male participants aged 18-30 and with at least one year of deadlift experience were recruited for this study. An eight camera system and a force platform was used to measure three-dimensional movements and ground reaction forces during 80% one repetition maximum ...


Effects Of Boxing On Force Characteristics In The Upper Extremities In People With Parkinson’S Disease Compared To Healthy Younger And Healthy Older Adults, Olivia Meyer Jan 2019

Effects Of Boxing On Force Characteristics In The Upper Extremities In People With Parkinson’S Disease Compared To Healthy Younger And Healthy Older Adults, Olivia Meyer

Graduate Theses and Dissertations

Due to the nature of Parkinson’s disease (PD), force output characteristics of the muscles may become impaired in people with PD. Forced exercise and power-based resistance training exercise are trending modalities used to target the physiological effects of PD on muscle activity as an alternative to pharmaceutical and surgical treatments. Movements performed in boxing incorporate high-ballistic motions similar to those utilized in power-training. The objective of this is study is to determine the effects of an acute session of boxing on muscle activity in the upper extremities of persons with PD compared to healthy older adults and healthy younger ...