Any help? pls really need it I'll brainlist

Which two levels of the spine that can undergo flexion and extension?

A27 year old female client, who weighs 130 lb, claims to be able to lift 85 lb for 10 repetitions on the bench but only completed 6 repetitions. using the correct response for your client's 1 repetition max for bench press, what would her perceived rating be with regards to bench press strength?

Warming up prepares the body for exercise in what way? a. muscularly b. cardiovascularly c. neurologically d. all of the above