How do I get my 11 year old daughter to tolerate pain, and not over react to incidents?

well im in gymnastics myself. i have been in it for 4 years and am in level 6 now. it doesnt happen over night. i wasnt brave enough to do it my self. it just takes time. i landed on my neck doing a back tuck one time. but you cant make her go for it it takes time. you have to encourage her to do it. act like you are gonna spot her but dont when she goes 4 it and then she will realize that she can do it