Open Access. Powered by Scholars. Published by Universities.®

Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 7 of 7

Full-Text Articles in Life Sciences

Trunk, Hip And Knee Motions During A Step-Down Test And Running In Patellofemoral Pain Individuals, Katie Olinger Jan 2019

Trunk, Hip And Knee Motions During A Step-Down Test And Running In Patellofemoral Pain Individuals, Katie Olinger

WWU Graduate School Collection

Context: A common knee injury in runners is patellofemoral femoral pain syndrome (PFPS). The step-down test (SDT) is used to analyze lower extremity motions in runners with PFPS because kinematics are similar for the SDT and running. Individuals with PFPS often experience altered kinematics when compared to healthy. However, there are no known studies that examine the relationship in kinematics between the SDT and running.

Objective: Examine the relationship between lower extremity kinematics of the knee, hip and trunk in runners with PFPS and healthy controls, during the midstance of running and during a SDT.

Patients or Other Participants: Sixteen ...


Fascia Thickness And Mechanical Demand At The Ankle Joint During Dance Jumps In Classically Trained Ballet Dancers, Sarah Perry Jan 2019

Fascia Thickness And Mechanical Demand At The Ankle Joint During Dance Jumps In Classically Trained Ballet Dancers, Sarah Perry

WWU Graduate School Collection

Ballet is an athletic activity that combines aesthetics and artistry with power and ­­­­­skill. One of the most athletic aspects of dance is observed during jumps. Many jumps in ballet involve takeoff from a single leg, but differ in propulsion direction. To assess differences in mechanical demand, two single leg jumps commonly trained in ballet were compared; a saut de chat (SDC) and a temp levé from a step (SLSJ). Fifteen female classically trained dancers with similar number of years of training (13.9 ± 5.0 years) were instrumented with lower body reflective markers and performed each jump three times ...


The Effect Of A Brief Mindfulness Intervention On Free-Throw Shooting Performance Under Pressure, Nathan J. Wolch Jan 2019

The Effect Of A Brief Mindfulness Intervention On Free-Throw Shooting Performance Under Pressure, Nathan J. Wolch

WWU Graduate School Collection

Pressure situations in sport can be a source of anxiety for athletes (Craft, Magyar, Becker, & Feltz, 2003). Research indicates that a brief mindfulness training can improve math performance under pressure (Brunye et al., 2013); however, no known studies have examined the effects of mindfulness practice on an athletic performance under pressure. Therefore, this experiment investigated the effects of a brief mindfulness training on basketball free-throw shooting under pressure. Participants were 32 college-aged (Mage = 21.29), male competitive basketball players. Participants shot 20 free-throws in a low-pressure phase, then were pair-matched by free-throws made and randomly assigned to mindfulness (n = 16) or control (n = 16) conditions. Pressure was induced before participants listened to a 15-minute mindfulness or history of ...


Effects Of Deep Slow Breath Training On Performance And Recovery During High Intensity Interval Cycling, Andrew D. (Andrew David) Brown Jan 2019

Effects Of Deep Slow Breath Training On Performance And Recovery During High Intensity Interval Cycling, Andrew D. (Andrew David) Brown

WWU Graduate School Collection

The present investigation sought to delineate the effects of a six-week deep slow breathing (DSB) program on measures of cycling performance (mean power: MP), recovery (heart rate recovery: HRR, and expired carbon dioxide: VCO2), and pulmonary capacities (vital capacity: VC, forced expiratory volume: FEV1, and maximum voluntary ventilation: MVV). Twenty male cyclists were divided into training (n=10) and control (n=10) groups, where the training group completed a six-week DSB program in addition to their own training while the control group completed no breathe training. Participants completed two testing sessions, one before and one after the six-week ...


The Effects Of Hallux Valgus And Walking Speed On Dynamic Balance In Older Adults, Carolyn E. Barbee Jan 2019

The Effects Of Hallux Valgus And Walking Speed On Dynamic Balance In Older Adults, Carolyn E. Barbee

WWU Graduate School Collection

Hallux valgus (HV) contributes to deficits in static balance and increased fall risk in older adults. Very limited research has examined dynamic balance deficits in walking in this population. These individuals generally walk slowly, as balance challenge is lesser at slow speeds. The purpose of this study was to examine dynamic balance in older adults with HV compared to healthy controls at controlled slow and fast speeds. Nineteen older adults with HV and 13 healthy controls completed 5 continuous walking trials at 1.0 and 1.3 m·s-1 as whole body marker position and ground reaction force data ...


Exploring The Relationship Between Stress-Related Growth And Basic Psychological Needs Following Athletic Injuries, Samantha L. Macdonald Jan 2019

Exploring The Relationship Between Stress-Related Growth And Basic Psychological Needs Following Athletic Injuries, Samantha L. Macdonald

WWU Graduate School Collection

Approximately 8.6 million sport-related injuries occur yearly in the United States that cause a variety of physical and psychological outcomes. One positive psychological consequence after injury is stress-related growth (SRG), which is positive change experienced after undergoing something stressful. The aim of the present study was to investigate how the full model of basic psychological needs was related to SRG and explore sources of need satisfaction while injured. SRG and basic psychological need satisfaction and frustration was measured in 93 competitive adult athletes who suffered lower limb sport injuries within the past 5 years. Multiple regression analyses did not ...


Effect Of Pedal Stance Width Manipulation Via Pedal Spacers On Lower Limb Frontal Plane Kinematics During Cycling, Andrew Fife Jan 2019

Effect Of Pedal Stance Width Manipulation Via Pedal Spacers On Lower Limb Frontal Plane Kinematics During Cycling, Andrew Fife

WWU Graduate School Collection

Anecdotal evidence suggests that frontal plane kinematics of the lower extremity may be an important aspect of bicycle fit, however, frontal plane adjustments are often overlooked during common fit procedures. The purpose of this study was to manipulate pedal stance width through the use of pedal spacers to determine their influence on frontal plane kinematics of the hip, knee, and ankle during cycling. Twenty-four young healthy subjects (12 female) recreational cyclists completed five minutes of pedaling at their preferred cadence and power output under three stance widths conditions: no spacer, 20 mm spacer, and 30 mm spacer. The pedaling cadence ...