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Here's an interesting article I saw in today's paper:
Windmill Pitch is Stress for Arm
Softball pitchers may not throw 90-mph brush-back pitches, but that does not mean their arms are free of stress.
A new study says the windmill delivery used in fast-pitch softball places more force on a pitcher's biceps than an overhand throw. The report, which appears in the American Journal of Sports Medicine, said the demands of the pitch led to shoulder and other injuries. The lead author is Idubijes L. Rojas of Rush University Medical Center in Chicago.
Fast-pitch softball, the study noted, is highly popular among girls and women, with an estimated two and a half million taking part in it a year. "The conventional belief in softball has been that the underhand throwing motion places little stress on the arm," the researchers wrote.
Much of the problem seems to come after the ball is released, said a co-author of the study, Dr. Nikhil N. Verma of Rush University. As the arm decelerates, tremendous stress is put on the biceps. Moreover, unlike baseball pitchers, softball pitchers generally are not limited in the number of innings they can play, the study said.
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This is a link to the abstract of the article in the AJSM
http://ajs.sagepub.com/content/37/3/558.abstract?sid=1d47502d-4434-4124-b2e5-7c719d52a020
Windmill Pitch is Stress for Arm
Softball pitchers may not throw 90-mph brush-back pitches, but that does not mean their arms are free of stress.
A new study says the windmill delivery used in fast-pitch softball places more force on a pitcher's biceps than an overhand throw. The report, which appears in the American Journal of Sports Medicine, said the demands of the pitch led to shoulder and other injuries. The lead author is Idubijes L. Rojas of Rush University Medical Center in Chicago.
Fast-pitch softball, the study noted, is highly popular among girls and women, with an estimated two and a half million taking part in it a year. "The conventional belief in softball has been that the underhand throwing motion places little stress on the arm," the researchers wrote.
Much of the problem seems to come after the ball is released, said a co-author of the study, Dr. Nikhil N. Verma of Rush University. As the arm decelerates, tremendous stress is put on the biceps. Moreover, unlike baseball pitchers, softball pitchers generally are not limited in the number of innings they can play, the study said.
*****************************************************
This is a link to the abstract of the article in the AJSM
http://ajs.sagepub.com/content/37/3/558.abstract?sid=1d47502d-4434-4124-b2e5-7c719d52a020