hello i played badminton for around 1 yr. And learn badmintion skill myself(watch a lot of match videos, play with high standard people, without trained by any coaches).However, i play not very bad since i have watched many match videos .i play 6 hours double games a week on sunday. Recently,i find that my racket hand's little finger is hurt.i have never feel that kind of hurt previously ,especially after playing . it lasts for quite a long time since last sunday.it really disturbs me .i am 15 yrs old . Anyone has the same problem ?