Table 1. Inclusion and exclusion criteria |
| Inclusion Criteria |
(1) At least 4 training sessions a week |
| (2) More than 3,000 meters training distance per session, and |
| (3) Participated more than 6 years competition |
| Exclusion Criteria |
(1) Any history of shoulder fracture, dislocation or surgery |
| (2) Recent injury of shoulder in the past 3 months |
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