Background
Teshima was born in Hōfu, Yamaguchi, and began judo from 4th grade in elementary school.
手島 奈美木本 奈美
Teshima was born in Hōfu, Yamaguchi, and began judo from 4th grade in elementary school.
She entered the Sumitomo Marine & Fire Insurance after graduating from high school in 1993. In 1997, Teshima participated in the World Judo Championships in Paris but was defeated by Cho Minister-Sun in the first round. After then, she was regarded as one of the candidates of representative at Olympic Games in 2000 but was unable due to an anterior cruciate ligament injury.
She retired in 2001, after the All-Japan Businessman Championships.
As of 2010, Teshima coaches judo at the Mitsui Sumitomo Insurance Group judo club, which she formerly belonged to 1994 - Fukuoka International Women"s Championships (-63 kg) 3rd 1999.