Kinesiology Commons^™

The Control Of Amplitude And Direction In Bimanual Coordination, Zhujun Pan

LSU Doctoral Dissertations

Spatial coordination of bimanual movements is important when performing daily activities. Whereas, older adults and individuals with Parkinson’s disease (PD) commonly show difficulties in temporally coordinating the hands in bimanual coordination tasks, the effects of aging and Parkinson’s disease on the quality of spatial coordination between the hands are unclear. Thus, the present work investigated the impact of older age and PD on the spatial interference in a bimanual task in which 48 right hand-dominant participants (16 young adults, 16 older adults and 16 individuals with PD) drew simultaneously two lines with both hands with varied movement amplitudes (3 and …

Prevalence And Incidence Rates Are Not The Same: Letter To The Editor, Yuri Feito

Faculty and Research Publications

I recently became aware of an article by Weisenthal et al,² “Injury Rate and Patterns Among CrossFit Athletes,” published in the April 2014 issue of your journal. Considering this is a topic of interest to me, I read the article with great expectations and detail. I commend the authors for their fantastic job, both in their methodology as well as in their interpretation of their findings. They truly did a great job explaining their definition of what constituted an injury, which has been lacking in several studies, as well as providing great recommendations for the “safe” participation in this …

Changes In Bone Density Following Exercise Training In Older Adults, Matthew Casey Scott

LSU Master's Theses

Abstract Purpose: To determine effects of 8 wks of progressive whole-body training preceded by 4 wks of regional specific (RSTS) or aerobic training (AT), on bone mineral density (BMD). Methods: Subjects were over age 70 y, with a 6-min walk score of 218-490 m. Subjects were randomized to AT or RSTS for the first 4 wks (Phase 1). AT consisted of ~45 min of walking/biking (50-85% HR reserve), 3 d/wk. RSTS consisted of 8 exercises specific to major muscle groups and was performed for 3-5 min, at ~40-70% of max voluntary strength for ~45 min, 3 d/wk. After 4 wks, …

Examining The Role Of Attention In Steering Using A Dual Task Paradigm, Venkata Naga Pradeep Ambati

Open Access Theses & Dissertations

Changing the direction of locomotion, often referred to as "steering", is an integral component of human locomotion. Steering requires maintaining dynamic balance while translating and rotating the body in the new travel direction. Given the level of sensation thought to be involved in sub serving goal directed modifications in steering, it is highly likely that steering control may require attention. Since attention resources decline with increasing age, we may see the influence of age on steering performance when attention resources are limited. Therefore, this study sought to investigate the role of attention in steering using a dual task paradigm in …

Effects Of Electrical Pulse Stimulation On In Vitro Measurement Of Mitochondrial Content And Lipid In Human Myotubes, Daniel Alberto Conde

Open Access Theses & Dissertations

It has been previously shown that human myotubes retain certain in vivo characteristics of the donors. Furthermore, we have shown that Electrical pulse stimulation (EPS), an in vitro exercise mimetic, increases mitochondrial and lipid content in cultured human myotubes after 24 hr. of stimulation. Purpose: We aimed to examine the EPS induced adaptations to lipid, mitochondrial, and Glucose transporter 4 (GLUT4) content using human myotubes. Methods: EPS was applied to myotubes for 60 min (bipolar pulses of 100 Hz, 30V, every 5 seconds), 24 hr. or 48 hr. (single bipolar pulses of 1 Hz for 2 ms; 30V) and were …

Parental Pressure, Anxiety, And Performance Among Age Group Swimmers, Timothy Michael Dasinger

LSU Master's Theses

Background/Purpose: Parents introduce children to youth sport and can increase a child’s level of enjoyment in the sport. However, parents can also place too much pressure on the child, which can lead to increased pre-competition anxiety and decreased performance (Bois, Lalanne, & Delforge, 2008; Scanlan & Lewthwaite, 1984). The purpose of this study was to examine the relationships among perceived and desired parental pressure, pre-competition state anxiety, subsequent performance, and intention to continue the sport in youth swimmers ages 9-18. Method: A sample of 43 swimmers (17 male, 26 female; M=12.8±2.6 years) on a United States Swimming (USS) sanctioned club …

Acute Effect Of Caffeine Intake On Hemodynamics After Resistance Exercise In Young Non-Hypertensive Subjects, Diego Souza, Juliano Cosanatto, Roberto Poton, Jeffrey Willardson, Marcos Polito

Jeffrey Willardson

This study aimed to examine the effect of caffeine on hemodynamics after a resistance exercise session. Fifteen subjects completed two randomly ordered experimental resistance exercise sessions 45 min after the ingestion of either caffeine (4 mg.kg-1) or placebo. Systolic (SBP), diastolic (DBP) and mean (MAP) blood pressures were measured before consuming caffeine; SBP, DBP, MAP, heart rate, stroke volume, cardiac output and peripheral vascular resistance (PVR) were measured immediately before and after each of the sessions; SBP, DBP and MAP were measured for 9 hours after sessions. Caffeine increased (p < 0.05) pre-exercise DBP and MAP. In caffeine and placebo conditions significant decreases (p < 0.05) were noted in SBP, MAP, and PVR between the pre- and post-exercise time points. Notwithstanding, the mean values for SBP, DBP and MAP during the 9 h of post-exercise monitoring were increased (p < 0.05) for the caffeine. In conclusion, the cardiovascular effects of caffeine are different over the post-exercise period after resistance exercise in normotensive young adults.

Acute Effect Of Caffeine Intake On Hemodynamics After Resistance Exercise In Young Non-Hypertensive Subjects, Diego Souza, Juliano Cosanatto, Roberto Poton, Jeffrey Willardson, Marcos Polito

Faculty Research and Creative Activity

This study aimed to examine the effect of caffeine on hemodynamics after a resistance exercise session. Fifteen subjects completed two randomly ordered experimental resistance exercise sessions 45 min after the ingestion of either caffeine (4 mg.kg-1) or placebo. Systolic (SBP), diastolic (DBP) and mean (MAP) blood pressures were measured before consuming caffeine; SBP, DBP, MAP, heart rate, stroke volume, cardiac output and peripheral vascular resistance (PVR) were measured immediately before and after each of the sessions; SBP, DBP and MAP were measured for 9 hours after sessions. Caffeine increased (p < 0.05) pre-exercise DBP and MAP. In caffeine and placebo conditions significant decreases (p < 0.05) were noted in SBP, MAP, and PVR between the pre- and post-exercise time points. Notwithstanding, the mean values for SBP, DBP and MAP during the 9 h of post-exercise monitoring were increased (p < 0.05) for the caffeine. In conclusion, the cardiovascular effects of caffeine are different over the post-exercise period after resistance exercise in normotensive young adults.

Development Of An Online Doctor Of Education Program In Applied Exercise Science, David D. Peterson

Faculty Dissertations

No abstract provided.

Can Gravitational Influences Explain Endpoint Precision Between Visual Conditions?, Chelsea Marie Soebbing

LSU Master's Theses

Reaches to remembered target locations often result in different endpoint precision when compared to reaches to actual (seen) targets. Interestingly, errors are observed whether the reach to the remembered location is performed in an environment with or without allocentric cues (visual cues from the environment) available. People tend to point below remembered target locations in the dark relative to normal room lighting while seated, standing, and reaching with a step. In this study we questioned the effect of gravitational influences on upper extremity reaching and pointing accuracy in dark and illuminated environments. We hypothesized that alterations in body orientation would …

Shoulder Impingement In Water Polo Players, Kelly A. Davis

Scripps Senior Theses

Water polo is a highly dynamic and physically demanding sport that has heretofore not inspired nearly as much research as other overhead sports such as baseball or swimming. As in almost all overhead sports, water polo puts its players at high risks for shoulder injuries since the motions required to perform the sport at an optimum level push the limits of normal shoulder function.

Human shoulders are inherently unstable as a tradeoff to their flexibility. Because of this instability, many structures are required to work concurrently to keep the shoulder in place. These structures include muscles, ligaments and cartilages. It …

Comparing The Acute Effects Of Elastic Resistance Bands On Kinetics And Kinematics During The Bench Press Exercise, Blake Baxter

EWU Masters Thesis Collection

"Elastic resistance training is becoming very popular in the strength and conditioning realm and is used at the collegiate and professional levels for various sports. Elastic resistance training has been shown to increase the force, velocity, and power compared to traditional free weight movements. The purpose of this study was to determine if a specific loading condition could increase both kinetic and kinematic variables within a bench press. To test this, two loading conditions (15% and 25% of 1RM) were used and each resistance load was added to a base of 60% of 1RM free weights. Twelve recreationally trained male …

An Analysis Of A University Reclassification Effect On Applications Following A Move To A New Intercollegiate Athletic Association, Dylan P. Williams

LSU Doctoral Dissertations

Scholars have argued that athletics are utilized by universities to advertise their school to all individuals (Collins, 2012; Dwyer, Eddy, Havard, & Braa, 2010; Toma & Cross, 1998; Washington & Ventresca, 2004; Weaver, 2010). Expectedly, university officials are willing to contribute resources in order to develop an effective athletics program to establish an institution’s legitimacy among other universities (Collins, 2012; Toma & Cross, 1998; Washington & Ventresca, 2004). One tactic employed by schools focuses on the process of athletic association reclassification into the National Collegiate Athletic Association (NCAA) from other member associations (e.g., National Association for Intercollegiate Athletics). Officials consider …

The Effects Of Peripheral Nerve Impairments On Postural Control And Mobility Among People With Peripheral Neuropathy, Shuqi Zhang

LSU Doctoral Dissertations

Approximately 20 million Americans are suffering Peripheral Neuropathy (PN). It is estimated that the prevalence of all-cause PN is about 2.4% in the entire adult population, whereas over 8-10% in the population segment over the age of 55 (Martyn & Hughes, 1997). Peripheral Neuropathy leads to a high risk of falling, resulting from the deficits of postural control caused by the impaired peripheral nerves, especially the degenerative somatosensory system. To date, there is no effective medical treatment for the disease but pain managements. The deficits of postural control decrease the life quality of this population. The degeneration of peripheral nerves …

The Effects Of Respiratory Muscle Warm-Up On Exercise Performance And Pulmonary Functions, Dennis Jonathan Guillot

LSU Doctoral Dissertations

Effect of a Specific Respiratory Warm-up on Run Performance, Pulmonary Functions, and Rating of Perceived Breathing The purpose of this study was to evaluate the effect of a respiratory warm-up for five minutes using an inspiratory/expiratory (IEC) device on pulmonary function (PFT) (FVC, FEV©û, FEF 25-75%, PEF), rate of perceived exertional (RPE) breathing, and performance time [300 yard shuttle run (300y) and 1.5 mile run (1.5m)] in asthmatics and non-asthmatics. Ten non-asthmatics males (22.6¡¾7.4 years) participated in phase I, twenty non-asthmatic males (24.2¡¾9.8 years) in phase II, and five asthmatics (20.8¡¾3.2 years) in phase III of this study. The Phase …

Influence Of Whole-Body Vibration On Delayed Onset Muscle Soreness, Cecilia Drennen

Honors Theses

Exercise induced muscle damage (EIMD) results in delayed onset muscle soreness (DOMS). Whole body vibration (WBV) may be a method that can be implemented to allow a subject suffering from DOMS to recover more quickly. The purpose of this study was to determine if WBV aids in managing symptoms of EIMD over a recovery period of 72 hours and to determine the effects of WBV on jumping performance following exercise-induced muscle damage. Measurements of performance like vertical jump height, peak-Z force, and pain pressure threshold were recorded. Twenty-seven recreationally trained females participated, and were damaged by performance of the eccentric …

Unaccustomed Exercise Causes Rhabdomyolysis, Yuri Feito

Faculty and Research Publications

Cross Fit TM is a relatively new strength and conditioning program defined as “constantly varied, functional movements, performed at a high intensity”. The goal of the program is to increase “work capacity across broad time and modal domains” [1]. Even though this training modality has been criticized by the main stream media for “high risk of injury” most of these claims have been anecdotal, as recent evidence suggest this training modality is not any more “dangerous” than other exercise programs [2]. One of the biggest criticisms of this training modality has been its association with Rhabdomyolysis, a condition that results …

Comparison Of Automated Event Detection Algorithms In Pathological Gait, Dustin A. Bruening, Sarah Trager Ridge

Faculty Publications

Accurate automated event detection is important in increasing the efficiency and utility of instrumented gait analysis. Published automated event detection algorithms, however, have had limited testing on pathological populations, particularly those where force measurements are not available or reliable. In this study we first postulated robust definitions of gait events that were subsequently used to compare kinematic based event detection algorithms across difficult pathologies. We hypothesized that algorithm accuracy would vary by gait pattern, and that accurate event detection could be accomplished by first visually classifying the gait pattern, and subsequently choosing the most appropriate algorithm. Nine published kinematic event …

Peroneal Reaction Time After Ankle Sprain: A Systematic Review And Meta-Analysis, Matthew C. Hoch, Patrick O. Mckeon

Human Movement Sciences Faculty Publications

Background: Many studies have examined the temporal response of the peroneal muscles to sudden inversion perturbation in patients with a previous ankle sprain. The purpose of this systematic review with meta-analysis was to synthesize the evidence and determine whether peroneal reaction time (PRT) impairments are present after ankle sprain. Methods: An electronic search was conducted using PubMed Central and EBSCOhost (1965-January 2013). Articles were included if they 1) examined the PRT to sudden inversion perturbation in patients with a history of ankle sprain using a mechanical tilt platform, 2) made comparisons with a control group or contralateral limb with no …

An Examination Of Behavioral And Temporal Consistency Of Pre-Performance Routines In Ncaa Division I Basketball Free Throw Shooting – A Naturalist Observational Investigation, Jacob Blumberg

Electronic Theses and Dissertations

Research has shown that pre-performance routines positively influence performance of closed and self-paced skills (Boutcher & Crews, 1987; Cohn, 1990; Otto et al., 2011). Boutcher and Crews (1987) suggested that pre-performance routines improve performance by helping reduce anxiety along with helping athletes’ retain mental sharpness and focus. Furthermore, several quantitative studies have examined the influence of both behavioral and temporal consistency of pre-performance routines on the success of a skill, yielding inconsistent results (Boutcher & Crews, 1987; Lobmeyer & Wasserman, 1986; Lonsdale & Tam, 2008; Jackson, 2003). However, research examining this phenomenon from a qualitative and naturalistic observational perspective is …