E Paul Roetert

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We studied glenohumeral rotational range of motion in 39 members of the United States Tennis Association National Tennis Team and touring professional program. We took goniometric measurements of internal and external rotation of dominant and nondominant shoulders at the glenohumeral joint with the humerus at 90 degrees of abduction. We categorized the(More)
BACKGROUND Repetitive loading to the hip joint in athletes has been reported as a factor in the development of degenerative joint disease and intra-articular injury. Little information is available on the bilateral symmetry of hip rotational measures in unilaterally dominant upper extremity athletes. HYPOTHESIS Side-to-side differences in hip joint range(More)
Objective measurement of range of motion of the glenohumeral joint is important for the rehabilitation and prevention of shoulder injury. The primary purpose of this study was to determine whether significant differences exist between the dominant (tennis playing) and nondominant extremity in active internal and external rotation range of motion in elite(More)
Tennis elbow afflicts 40% to 50% of the average, recreational tennis players; most of these players more than 30 years of age. Tennis elbow is thought to be the result of microtrauma, the overuse and inflammation at the origin of the ECRB as a result of repeated large impact forces created when the ball hits the racket in the backhand stroke. Several(More)
PURPOSE The changes in stroke production in the modern game of tennis have increased the demands on trunk rotation in elite tennis players. Unlike the shoulder, where unilateral strength adaptations have been identified, no study to date has objectively quantified side to side rotational trunk strength in elite tennis players. METHODS One hundred nine(More)
BACKGROUND Tennis requires repetitive multidirectional movement patterns that can lead to lower extremity injury. Knowledge of population and age-specific strength parameters can be used during performance enhancement training and rehabilitation of tennis players. OBJECTIVES The purpose of this study was to generate population and age-specific descriptive(More)
STUDY DESIGN Descriptive study. OBJECTIVES To determine whether bilateral differences exist in concentric elbow flexion and extension strength in elite junior tennis players. BACKGROUND The repetitive nature of tennis frequently produces upper extremity overuse injuries. Prior research has identified tennis-specific strength adaptation in the dominant(More)
Studies in anthropometry showed that more research is needed in the area of physical development and its relationship to playing tennis. Muscle activity patterns have been studied for the different strokes, although more data are available relative to the service. During the service, skilled tennis players were found to display more consistent muscular(More)
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