Min Sheng Bao sports journalist Chen Li-qing said this allowed him to develop exceptional waist strength.
Chang attended Deming Vocational High School (Chinese: 德明商工), where he was in his third year when he became a member of the new weightlifting team two months before his graduation.
[2] After graduating from the Taichung Provincial Physical Education College (Chinese: 台中省體專) in the summer of 1985, he requested to defer his military service until November 1985 so that he could do Olympic Games training in Kaohsiung's Zuoying District.
[2] Chang was 161 cm (5 ft 3 in) and 64 kg (141 lb) when he competed in weightlifting in the third weight class at the National Games of Taiwan [zh] held in Changhua County in 1985.
[9] Chang competed on 27 October 1986 in the fourth weight class at the Regional Weightlifting Competition (Chinese: 區運舉重賽), where he lifted 127.5 kg (281 lb) in the snatch event, which set a national record.
[13] During the selection for the Asian Weightlifting Championships held on 22 January 1987, Chang competed in the 67.5 kg (149 lb) category.
[14] Chang competed at the Melbourne Weightlifting Invitational Tournament (Chinese: 墨爾缽舉重邀請賽) in March 1987 but was unable to successfully lift in both the snatch and the clean and jerk events.
According to He Chang-fa, the Olympian bronze medalist Tsai Wen-yee was unbeaten in Taiwan until Chang began competing.