• Very Easy
    Anything other than sleeping
  • Easy
    Breathing not noticeable, easy to carry a full conversation
  • Somewhat Easy
    Breathing noticeable, can hold a short conversation
  • Somewhat Hard
    Short of breath (becoming uncomfortable), can speak a sentence
  • Hard
    Difficult to maintain intensity, can speak a few words
  • Very Hard
    Almost impossible to maintain, unable to talk