A Grade III muscle injury involves a complete tear of muscle fibers, with a complete tear following a tackle being a probable cause.
A Grade III muscle injury involves a complete tear of the muscle fibers. Out of the options provided, a complete tear of the muscle following a tackle is likely to cause a Grade III muscle injury.
Running in a brand new pair of sneakers, partial tear of the biceps while throwing a ball, and exhausting all available stores of glycogen are not typically causes of Grade III muscle injuries.
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