What is the purpose of the deep squat?

What is the purpose of the hurdle step?

What is purpose of the in-line lunge?

What is the purpose of shoulder mobility?

What is the purpose of the active straight leg raise?

What is the purpose of the trunk stability push-up?

What is the purpose of the rotary stability?

What are the three test that require a additional pain test?

What is the score reduced to if pain occurs on any of the tests (including additional pain tests) and what should be the next step?