If you can hold the racquet in upright position ( racquet body never below your wrist) elbow close to your body you can be an efficient volleyer.
假设您能保持拍身高于手腕，手肘不离身体太远，您可以成为有效率的截击手。
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We delivered supramaximal stimulations over the wrist, belowelbow, and above elbow on the ulnar nerve and obtained the data of segmental CV of belowelbow (BE) and across elbow (AE) from FDI and ADM.