No abstract available
MeSH terms
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Adolescent
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Baseball / injuries*
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Electromyography
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Hand Strength / physiology*
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Humans
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Magnetic Resonance Imaging
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Male
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Muscle Weakness / etiology
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Neural Conduction / physiology
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Spinal Muscular Atrophies of Childhood / diagnosis*
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Spinal Muscular Atrophies of Childhood / physiopathology*