Key points are not available for this paper at this time.
Comparisons of external anthropometric and roentgenogram measurements between the arms of tennis players and soldiers revealed that tennis playing leads to muscular hypertrophy and to an increase in length of the radius and ulna in the forearm used to swing the tennis racket. These findings are discussed in relation to changes in body composition with exercise.
Buskirk et al. (1956) studied this question.