Basic imaging of the rotator cuff

This patient has trouble lifting heavy objects since a tennis injury, with chronic left shoulder pain. You are shown a series of images from their shoulder MRI. Try to identify the following muscles, which are indicated in brown, purple and green on the MRI images:

supraspinatus, infraspinatus, subscapularis

ANSWERS:
 

supraspinatus

subscapularis

infraspinatus