Question item |
Abbreviated form |
Q1 |
If you open your mouth wide, can you fit 3 fingers held vertically in your mouth? |
Limited mouth opening |
Q2 |
Do you experience pain in the face, jaw, temple, or in front of the ear when you open and close your mouth? |
Mouth-opening pain |
Q3 |
Can you open your mouth without any deviation? |
Mouth-opening deviation |
Q4 |
Do you experience pain in the face, jaw, temple, or in front of the ear when you eat hard foods such as beef jerky, dried cuttlefish, or octopus? |
Chewing-induced pain |
Only instrument players answered the following questions |
|
Q5 |
Do you play the instrument with your head tilted forward? |
Head tilted forward |
Q6 |
Do you play the instrument with incorrect embouchure*? |
Incorrect embouchure |
Q7 |
Are you using an instrument with strong mouthpiece resistance? |
Strong resistance |
Q8 |
When you play the instrument, do you press the mouthpiece against your mouth? |
Pressure from the mouthpiece |
Q9 |
How many years have you played the instrument? |
Years of experience |
Q10 |
How many hours per day do you play the instrument? |
Playing time per day |
The subjects were asked to answer question items 1-8 on a 5-point numeric rating scale.
Item1,3: 0) strongly agree,1) weakly agree, 2) neither agree nor disagree, 3) weakly disagree, or 4) strongly disagree. Item 2, 4-8: 0) strongly disagree,1) weakly disagree, 2) neither agree nor disagree, 3) weakly agree, or 4) strongly agree.
* The form and function of the mouth while playing the instrument