Medicine and Health Sciences Commons^™

Lower Limb Force Asymmetries During Landing And Jumping Exercises, Simon Cone

Masters Theses

Significant asymmetries can exist between the lower limbs’ force production during the take-off phase of bilateral jumping exercises. Some studies have indicated that similar asymmetries can exist during the landing phase as well. It has not been demonstrated if the magnitude and/or direction of this imbalance is alike during the landing (L) and take-off (TO) phase of a jumping exercises. The main purpose of this study was to determine if there is a difference in the asymmetry that occurs during the L and TO phases. In order to quantify the degree and describe the direction (left. vs. right) of the …

Interval Training Using The Lactate Retention Method: A Pilot Study, Tyler M. Dundore

Masters Theses

Interval training (IT) is used to improve aerobic capacity and increase tolerance to lactate. Few studies to date have focused on trapping lactate in the muscles during recovery periods of IT, a method called “lactate retention”, or LR. PURPOSE: To determine if LR can produce greater improvements in lactate threshold (LT) and a faster rate of change in blood lactate concentration ([rΔBL]) compared to IT with active recovery (AR). METHODS: Ten cross-trained subjects (age 23.3 ± 4.7 years) participated; each came to the lab twice per week for the duration of the study. Visit 1 included an LT test to …

Effect Of Listening To Music During Warmup On Wingate Anaerobic Test Performance, Russell P. Fox

Masters Theses

The primary purpose of this study was to determine whether or not different music conditions would affect performance on the Wingate anaerobic test. We also sought to explore the effect of music on psychological variables such as, rating of perceived exertion (RPE).

16 subject (8 males, 8 females) listened to either pre-selected music, self-selected music or white noise during a 10-minute warmup, cycling at 50 Rev.min-1 for 10 minutes with a light resistance of one kilogram. Once the warmup was completed they performed a Wingate Anaerobic test against a resistance of 7.5% of their body mass in kilograms.

There were …

Effect Of A 7-Week Rock Climbing Class On Physical Fitness And Performance, Justin Scott Cargo

Masters Theses

The purpose of this study was to assess changes in physical fitness and performance by rock climbing twice a week over a 7-week time period. Rock climbing is on the rise in popularity as seen in the rise of indoor climbing gyms and the increase in rock climbing competitions (Wall, C. B., Starek, J. E., Fleck, S. J., & Byrnes, W. C., 2004). Notably, the International Federation of Sport Climbing has held the Climbing World Championships biennially since the first event in 1991 (Schoffl, Burtscher, & Coscia, 2013), which emphasizes the importance of this research to apply to training programs. …

Comparison Of Dual- And Tri-Axial Accelerometer Accuracy, Lindsay Powell Toth

Masters Theses

The purpose of this study was to investigate the accuracy of the Omron HJ-720ITC and the Fitbit Zip activity monitors with regard to step count, energy expenditure, and distance traveled measurements. The importance of this research rests in the success rates of pedometer-based physical activity interventions which have been shown to increase physical activity while also enabling weight loss and lowering blood pressure in the adult population. Activity monitors available for retail sale must be found accurate for proper participation in exercise interventions especially low-cost devices as used in this study.

In order to test the accuracy of the Omron …

Effects Of Various Partial Body Cooling Techniques On Core Temperature During Recovery From Prolonged Cycling-Induced Heat Stress, Afton Danielle Seeley

Masters Theses

The purpose of this study was to investigate the effects of using an ice-vest and a palm cooling device on core and skin temperatures, heart rate, and perceived thermal comfort during a one hour recovery period following exercise in the heat. Ten recreationally active adults cycled for one hour at 50% V0₂ peak on a cycle ergometer while exposed to 36°C 45%relative humidity environmental conditions. Following exercise, each subjectwas exposed to an ice vest, a palm cooling device, or a non cooling control while seated in the environmental chamber for 60 more minutes. No significant differencewas found betweenany of …

Gdnf Content And Nmj Plasticity In Slow And Fast Twitch Myofibers Follows Recruitment In Exercise, Amy Morrison Gyorkos

Dissertations

Glial cell-line derived neurotrophic factor (GDNF) supports and maintains the neuromuscular system during development and through adulthood by promoting neuroplasticity. GDNF may play a role in delaying the onset of aging and help compress morbidity by preventing motor unit degeneration. Exercise has been shown to alter GDNF expression differently in slow and fast twitch myofibers. The aim of this dissertation project is to determine if different intensities of exercise can promote changes in GDNF expression and neuromuscular junction (NMJ) morphology in slow and fast twitch muscle fibers. Skeletal muscle fibers were analyzed from adult Sprague Dawley rats aged 4 weeks …

The Effects Of A Moisture-Wicking Fabric Shirt On The Physiological Responses During Acute Exercise In The Heat, Kimberly Wigboldy

Masters Theses

The purpose of this study is to investigate the effects that a form fitted, moisture-wicking fabric shirt, promoted to have improved evaporative and ventilation properties, has on the thermoregulatory, physiological and perceptual response during moderate intensity exercise in the heat for an extended duration of exercise of 90 minutes. Ten healthy subjects (7 males, 3 females), completed two heat stress tests consisting of 20 minute seated rest in a neutral environment (24°C, 60% RH), 30 minute seated rest in a hot environment (33°C, 60% RH), and 90 minutes of exercise(50% V0_{2 peak}) on a magnetically-braked cycle ergometerin a …

Impact Of Participating In A Short-Term Intervention Model Of Sports Education Camps For Children With Visual Impairments, John Michael Mcmahon

Dissertations

This three-paper format dissertation explores three topics relevant to participating in a short-term model Sports Education Camp for youth with vision impairments. The three papers are independent studies, yet build upon each other by first measuring physical performance in certain skills, then exploring their levels of self-perception, body mass index, and level of physical activity in their local communities, and finally describing the population of participants at various points over a 25-year period. Papers one and two examined differences in pre- and post-camp measures for first-time and repeat participants, with the first paper focusing on physical performance, and the second …

The Effect Of Ad Libitum Hydration On Cognitive Function Following Exercise In The Heat, Matthew Wittbrodt

Masters Theses

The purpose of this study was to quantify the effect of different hydration strategies on physiological and cognitive variables after an exercise bout in the heat. On three occasions, twelve males performed three heat stress tests of 50min at 60%VO_2peak in a hot environment (32°C; 65%RH). The heat stress tests differed in hydration strategy to be implemented during exercise (NF: no fluid, AL: ad libitum, FR: full fluid replacement). A cognitive battery was administered pre-­ and post-­exercise to examine alterations in cognition. Fluid loss during NF was greater than the AL and FR (NF: 1.54 %; AL: 0.29 …

Rpe And Mode Of Exercise, Victoria Helmus

Honors Theses

The American College of Sports Medicine currently recommends that all individuals age 18-65 perform vigorous aerobic activity for at least 20 minutes 3 days a week, or moderate intensity aerobic activity for at least 30 minutes 5 days a week. Activities that fall under this category include, but are not limited to walking, running, cycling, swimming and elliptical machines. When an individual exercises, they have a sense of what their intensity level is based on how they 'feel'. Ratings of Perceived Exertion charts serve as a guide for this subjective thought process. There are wide ranges of intensities associated with …

A Preliminary Investigation Into The Effect Of Kinesio And Athletic Tape On Skin Blood Flow Changes, Ryan Klawon

Masters Theses

This research tested the effectiveness of a relatively new therapeutic product called Kinesio tape. One of Kinesio tape's therapeutic claims is increased blood flow to the taped area and thus expediting the body's healing process (Fu et aI., 2007). The purpose of this study was to compare the effects of Kinesio tape versus athletic tape on blood flow in the upper arm during rest and immediately following submaximal exercise. Certified athletic trainers (ATC) often use regular athletic tape to limit the range of motion and stabilize a joint as opposed to providing therapeutic benefits such as increasing blood flow.

Research …

Female Collegiate Gymnasts And Experiences In Sport Retirement Due To Injury, Coleen Harrington Barry

Dissertations

There has been very limited research on sport retirement concerning the experiences that female collegiate athletes face when retiring from a sport due to injury. The purpose of this qualitative study was to explore, understand, and describe experiences that former NCAA Division I female gymnasts had when they retired from gymnastics, part-way through college, due to injury. The main objective of the study was to attempt to understand female collegiate gymnasts' sport retirement experiences and the impact these experiences may have had on their identity development and college experience. The study also considered female collegiate gymnasts' perceived needs and coping …

An Investigation Of Relationship Characteristics, Exercise And Physical Activity, Couple And Life Satisfaction, Mark W. St. Martin

Dissertations

Exercise has been shown to be positively related to many different variables including sexual satisfaction, mental health, and physical health. These variables, in turn, have been linked to increased life satisfaction and couple satisfaction. The primary purpose of this study was to examine the relationships between exercise and couple satisfaction as well as exercise and life satisfaction. A secondary purpose was to replicate previous findings on the relationships between communication, love, sexual satisfaction, self-esteem, and physical health and couple satisfaction.

A total of 229 undergraduate and graduate students from a large Midwestern university in the United States participated in this …

Kinematic Analysis Of Sprinting With And Without The Speed Chute, Douglas Roy West

Masters Theses

The problem under investigation was to determine if kinematic differences existed when sprinting with and without the speed chute. Eight Western Michigan University Track and Field Athletes were filmed at 100 frames per second as they sprinted two trials with and without the speed chute.

Three ANOVAs and descriptive statistics were used to evaluate the effects of sprinting with and without the speed chute. Descriptive statistics provided information for numerous dependent variables. Although statistically significant differences (R < .05) existed between sprinting with and without the speed chute, those differences may not be practical for the coach to use in terms of evaluation of sprinting technique, because the differences would be difficult for the human eye to see. Therefore, the speed chute may be a viable training tool as kinematics were only minimally affected.