A spiral fracture may occur in the shaft of the humerus in throwers who develop excessive torque while throwing.
Risk factors:
(1) adult (uncommon before age 15)
(2) muscle fatigue in the throwing arm
(3) prodromal arm pain
(4) inadequate skills
(5) disruption of regular practice schedule
Risk reduction:
(1) prevent overuse, especially if arm pain is present
(2) develop proper throwing techniques
(3) if practice schedule is disrupted, gradually resume activity level
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Specialty: Surgery, orthopedic
ICD-10: ,