FACTORS CORRELATED WITH SHOULDER MAXIMUM EXTERNAL ROTATION ANGLE DURING THROWING
نویسندگان
چکیده
منابع مشابه
Relationship between maximum shoulder external rotation angle during throwing and physical variables.
The amount of stress imposed on shoulder and elbow appears to be directly correlated with the degree of maximum shoulder external rotation (MER) during throwing motions. Therefore, identifying risk factors contributing to the increase of MER angle may help to decrease the throwing injuries occurrence in baseball players. The purpose of the present study was to demonstrate the correlation betwee...
متن کاملThe role of shoulder maximum external rotation during throwing for elbow injury prevention in baseball players.
The objective of the present study was to examine whether the passive range of shoulder external rotation (ER), the maximum shoulder external rotation angle (MER) during throwing, and the ratio of MER to ER are related to the incidence of the elbow injury. A mixed design with one between-factor (a history of the elbow injury) and two within-factors (ER and MER) was used to analyze the differenc...
متن کاملAn acute throwing episode decreases shoulder internal rotation.
BACKGROUND Glenohumeral internal rotation (GIR) and total arc of motion (TAM) decrease, whereas external rotation (GER) may increase in throwing. Although decreased GIR has been documented after throwing, its time course for recovery and the effect of pitching role have not. QUESTIONS/PURPOSES We therefore asked (1) how much rotational change occurs after a single throwing episode; (2) do the...
متن کاملChanges in Shoulder External Rotator Muscle Activity during Shoulder External Rotation in Various Arm Positions in the Sagittal Plane
[Purpose] The aim of this study was to investigate changes in electromyographic (EMG) activity of the infraspinatus and posterior deltoid muscles during shoulder external rotation under different shoulder flexion angles. [Subjects] Thirteen participants were included in this study. [Methods] The participants performed isometric shoulder external rotation at 45°, 90°, and 135° of shoulder flexio...
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ژورنال
عنوان ژورنال: Japanese Journal of Physical Fitness and Sports Medicine
سال: 2008
ISSN: 0039-906X,1881-4751
DOI: 10.7600/jspfsm.57.141