Jonathan S. Slowik
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View article: Do Pitching Biomechanics and Shoulder and Elbow Kinetics Differ Between Pitching on 2 Specific Dirt Surface and Turf Surface Mounds?
Do Pitching Biomechanics and Shoulder and Elbow Kinetics Differ Between Pitching on 2 Specific Dirt Surface and Turf Surface Mounds? Open
Background: While most baseball fields have dirt pitching mounds, some fields have turf mounds. In addition, portable turf surface mounds are often used for bullpen or practice sessions, off-season training, or when assessing pitching mech…
View article: Increases in Ball Weight and Size Decrease Elbow Varus Torque During Baseball Pitching
Increases in Ball Weight and Size Decrease Elbow Varus Torque During Baseball Pitching Open
Background: The rates of ulnar collateral ligament injury and surgery continue to rise in baseball. Increased ball velocity and elbow varus torque may correlate with the increased risk of injury. Hypothesis: Increased ball weight and/or si…
View article: Risk Factors for an Ulnar Collateral Ligament Injury Resulting in Surgery: A Prospective Longitudinal Study of 305 Professional Baseball Pitchers
Risk Factors for an Ulnar Collateral Ligament Injury Resulting in Surgery: A Prospective Longitudinal Study of 305 Professional Baseball Pitchers Open
Background: The number of ulnar collateral ligament (UCL) surgical procedures in professional baseball players continues to increase. Hypothesis: Performance, injury history, physical characteristics, pitching velocity, elbow torque, and a…
View article: Effects of Weight, Height, and Related Parameters on Elbow Varus Torque in Collegiate and Professional Baseball Pitchers
Effects of Weight, Height, and Related Parameters on Elbow Varus Torque in Collegiate and Professional Baseball Pitchers Open
Background: Ulnar collateral ligament (UCL) injuries are prevalent in baseball pitchers. Epidemiological research has identified body weight as a risk factor. Purpose/Hypothesis: The purpose of this study was to evaluate the influence of a…
View article: Medial patellofemoral ligament fixation with suture tape augmentation decreases lateral patellar motion without changing contact pressure
Medial patellofemoral ligament fixation with suture tape augmentation decreases lateral patellar motion without changing contact pressure Open
Purpose Medial patellofemoral ligament (MPFL) reconstruction has been the standard of care for recurrent patellar dislocations and chronic patellar instability. MPFL repair has been used as an alternative surgical option. The purpose of th…
View article: Kinematic Parameters Associated With Elbow Varus Torque in Elite Adult Baseball Pitchers
Kinematic Parameters Associated With Elbow Varus Torque in Elite Adult Baseball Pitchers Open
Background: Numerous studies have investigated pitching kinematics associated with elbow varus torque, but these studies were limited in the parameters analyzed and/or the number of pitchers tested. Purpose/Hypothesis: The purpose of this …
View article: Is Ulnar Collateral Ligament Strength Proportional to Height and Weight?
Is Ulnar Collateral Ligament Strength Proportional to Height and Weight? Open
Background: The rates of surgeries for ulnar collateral ligament (UCL) injuries continue to rise for baseball pitchers. The physical size of pitchers has also increased, bringing into question whether today’s larger pitchers have proportio…
View article: Comparison of glenohumeral and scapulothoracic kinematics between fastballs and curveballs during baseball pitching
Comparison of glenohumeral and scapulothoracic kinematics between fastballs and curveballs during baseball pitching Open
Shoulder injuries are common in baseball pitchers and primarily involve the glenohumeral joint. Past analyses have examined shoulder biomechanics during different pitch types simply as the motion of the upper arm relative to the thorax. In…
View article: Biomechanical Basis of Interval Throwing Programs for Baseball Pitchers: A Systematic Review
Biomechanical Basis of Interval Throwing Programs for Baseball Pitchers: A Systematic Review Open
Background Interval throwing programs are used in rehabilitation of throwing injuries, especially ulnar collateral ligament injuries. Athletes who are rehabilitating begin by throwing on flat ground progressing through increasing distances…
View article: Comparison of a single-view image-based system to a multi-camera marker-based system for human static pose estimation
Comparison of a single-view image-based system to a multi-camera marker-based system for human static pose estimation Open
The purpose of this study was to compare human static pose estimation data measured with a single-view image-based system and a multi-camera marker-based system. Thirty participants (20 male/10 female, mean ± standard deviation 29.1 ± 10.0…
View article: Active range of motion of the shoulder: a cross-sectional study of 6635 subjects
Active range of motion of the shoulder: a cross-sectional study of 6635 subjects Open
View article: Clinical and Imaging Outcomes of Plantar Fasciotomy Using Microdebrider Coblation Wand
Clinical and Imaging Outcomes of Plantar Fasciotomy Using Microdebrider Coblation Wand Open
Background: A plantar fasciotomy using a microdebrider coblation wand may be an effective treatment for treating chronic plantar fasciitis. The objective of this prospective study was to determine the success rate of performing a plantar f…
View article: Fastball Velocity and Elbow-Varus Torque in Professional Baseball Pitchers
Fastball Velocity and Elbow-Varus Torque in Professional Baseball Pitchers Open
Context High loads in the elbow during baseball pitching can lead to serious injuries, including injuries to the ulnar collateral ligament. These injuries have substantial implications for individual pitchers and their teams, especially at…
View article: Biomechanical Differences Between Japanese and American Professional Baseball Pitchers
Biomechanical Differences Between Japanese and American Professional Baseball Pitchers Open
Background: Although baseball injuries are common in both Japan and the United States, the majority of pitching injuries in Japanese players occur at the shoulder, whereas most pitching injuries in American players occur at the elbow. A bi…
View article: Biomechanical Comparison of 3 Syndesmosis Repair Techniques With Suture Button Implants
Biomechanical Comparison of 3 Syndesmosis Repair Techniques With Suture Button Implants Open
Background: Suture button fixation of syndesmotic injury is growing in popularity, as it has been shown to provide adequate stability in a more cost-effective manner than screw fixation while allowing more physiologic distal tibiofibular j…
View article: The influence of wheelchair propulsion hand pattern on upper extremity muscle power and stress
The influence of wheelchair propulsion hand pattern on upper extremity muscle power and stress Open
View article: Compensatory strategies during manual wheelchair propulsion in response to weakness in individual muscle groups: A simulation study
Compensatory strategies during manual wheelchair propulsion in response to weakness in individual muscle groups: A simulation study Open
View article: The influence of speed and grade on wheelchair propulsion hand pattern
The influence of speed and grade on wheelchair propulsion hand pattern Open
View article: An Investigation of Bilateral Symmetry During Manual Wheelchair Propulsion
An Investigation of Bilateral Symmetry During Manual Wheelchair Propulsion Open
Studies of manual wheelchair propulsion often assume bilateral symmetry to simplify data collection, processing, and analysis. However, the validity of this assumption is unclear. Most investigations of wheelchair propulsion symmetry have …
View article: The relationships between muscle weakness, wheelchair propulsion technique and upper extremity demand
The relationships between muscle weakness, wheelchair propulsion technique and upper extremity demand Open