Paul T. Donahue
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View article: Do Worn-In Tactical Boots Affect Lower-Extremity Biomechanics During Walking and Running?
Do Worn-In Tactical Boots Affect Lower-Extremity Biomechanics During Walking and Running? Open
Background: Much of the research conducted on tactical-style boots has evaluated the biomechanical effect of boots in brand-new condition; however, the extent to which changes due to wear influence lower-extremity biomechanics remains unin…
View article: Minimum Normalized Cycling Cadence to Increase Post-Cycling Gait Velocity
Minimum Normalized Cycling Cadence to Increase Post-Cycling Gait Velocity Open
Background: Previous research has shown that increasing cycling cadence can result in improved post-cycling gait velocity. However, the specific threshold of cycling cadence required to bring about clinically meaningful changes in gait vel…
View article: Comparison of Countermovement Jump Strategy With and Without An Arm Swing
Comparison of Countermovement Jump Strategy With and Without An Arm Swing Open
The countermovement jump (CMJ) is commonly used to assess both acute neuromuscular performance as well as adaptions to periods of training. Two methodologies are typically employed when performing the CMJ assessment. The first allows for t…
View article: Impact of Differing Instability Devices on Postural Sway Parameters
Impact of Differing Instability Devices on Postural Sway Parameters Open
Single-limb balance training is integral to preventing and rehabilitating lower extremity injuries. Previous investigations have shown that when using instability devices, differences may or may not exist in the postural sway parameters du…
View article: Examination of Countermovement Jump Performance Changes in Collegiate Female Volleyball in Fatigued Conditions
Examination of Countermovement Jump Performance Changes in Collegiate Female Volleyball in Fatigued Conditions Open
The purpose of this investigation was to examine changes in countermovement vertical jump performance after a single sport-specific training session in a sample of collegiate female volleyball athletes. Eleven NCAA Division I volleyball at…
View article: Seasonal Change in Countermovement Jump Performance in NCAA Women’s Golfers
Seasonal Change in Countermovement Jump Performance in NCAA Women’s Golfers Open
Background of Study: The countermovement vertical jump (CMJ) task has been reported to have positive associations with golf-specific performance variables. Additionally, the CMJ is commonly used to assess neuromuscular fatigue in athletic …
View article: Positional Comparison of Jump Performance in NCAA Division I Female Volleyball Athletes
Positional Comparison of Jump Performance in NCAA Division I Female Volleyball Athletes Open
Background: The vertical jump task is a critical component of success in volleyball. Each position on the court has its own physical demands and has differing levels of vertical jump task demands. Objective: Thus, the objective of this inv…
View article: Changes in strength and jump performance over a 10 week competitive period in male collegiate golfers
Changes in strength and jump performance over a 10 week competitive period in male collegiate golfers Open
As with most structured training programs to enhance performance, a reduction in resistance training volume is seen during competitive periods and an emphasis is placed on technical and tactical training. For that reason, it is important t…
View article: Association Between Body Composition and Vertical Jump Performance in Female Collegiate Volleyball Athletes
Association Between Body Composition and Vertical Jump Performance in Female Collegiate Volleyball Athletes Open
Background of Study: Associations between measures of body composition and vertical jump height have previously been established using a range of instrumentation and prediction equations. Limited data has presented using gold standard meas…
View article: Squat Jump Movement Onset Thresholds Influence on Kinetics and Kinematics
Squat Jump Movement Onset Thresholds Influence on Kinetics and Kinematics Open
Background of Study: Differing movement onset thresholds have been used when analyzing the squat jump movement from force-time data obtained from a force platform. This makes comparisons difficult between investigations as this will impact…
View article: Comparison of Countermovement and Squat Jumps Performance In Recreationally Trained Males
Comparison of Countermovement and Squat Jumps Performance In Recreationally Trained Males Open
The vertical jump has been shown to be an effective tool in assessing neuromuscular fatigue. The two most common iterations of the vertical jump are the countermovement and squat jumps. This investigation sought to identify if differences …
View article: Comparison of anthropometrics and physical performance in professional baseball pitchers
Comparison of anthropometrics and physical performance in professional baseball pitchers Open
Objectives: Previous investigations have shown that differences exist between positional groups within a team, which has led to more specific methods of training to enhance performance for that positional group during competition. The purp…
View article: Examining Changes in Bat Swing Kinematics in Different Areas of the Strike Zone in Collegiate Baseball Players
Examining Changes in Bat Swing Kinematics in Different Areas of the Strike Zone in Collegiate Baseball Players Open
Background: According to the National Collegiate Athletic Association (NCAA) there are over 34,000 athletes who compete in baseball at the collegiate level. These individuals spend countless hours training to improve their ability at bat p…
View article: Using Motion Sensor Technology to Manage Risk of Injury in a Strength and Conditioning Program for Female Collegiate Athletes
Using Motion Sensor Technology to Manage Risk of Injury in a Strength and Conditioning Program for Female Collegiate Athletes Open
Background of Study: Females generally have a 6-8 times higher risk for lower extremity injury compared to male counterparts due to biomechanical differences and/or poor landing strategies. In recent years, a great deal of focus has been p…
View article: Impact of Hydration Status on Jump Performance in Recreationally Trained Males
Impact of Hydration Status on Jump Performance in Recreationally Trained Males Open
The vertical jump is commonly used as a means of evaluating athlete readiness. Athletes have been shown to arrive to training and competition in a hypohydrated state. Thus, this investigation sought to examine the impact of hydration statu…
View article: Impact of Hydration Status on Electromyography and Ratings of Perceived Exertion During the Vertical Jump
Impact of Hydration Status on Electromyography and Ratings of Perceived Exertion During the Vertical Jump Open
Background: The vertical jumping task is commonly used to assess lower-body power output in athletic populations, in addition to being commonly used to during investigations of hydration and anaerobic performance. Changes in neuromuscular …
View article: Differences in Falls and Recovery from a Slip Based on an Individual’s Lower Extremity Corrective Response
Differences in Falls and Recovery from a Slip Based on an Individual’s Lower Extremity Corrective Response Open
Background: Slips and falls account for high rates of injury and mortality in multiple populations. The corrective responses during the slip perturbation have been well documented. However, when a fall results from a slip, it is unclear wh…
View article: The relationship between measures of lower body power and pitching velocity in professional baseball pitchers
The relationship between measures of lower body power and pitching velocity in professional baseball pitchers Open
Objectives: The purpose of this study was to examine the relationship between lower-body power output and pitching velocity in professional baseball pitchers. Design and Methods: A cross-sectional design was used to assess twenty-seven min…