Lying quad stretches are in effect is static stretch for runners because they

Stretch the muscles before working out so it will be more easier to sprint while running to bring out the legs more

The answer would be fracture.

Unlike  ct scans, which use x-rays,  mri scans  use powerful magnetic fields and radio frequency pulses to produce detailed pictures of organs, soft tissues, bone and other internal body structures.  differences between  normal and abnormal tissue is often clearer on an  mri  image than a  ct.you can see more with a mri scan. for example on an mri you can see internal bleeding.