Table 1
 Joints mainly examined by expert ultrasonographers
Joint
1st
2nd
3rd
1st, 2nd, 3rd: most frequently, second and third frequently examined joint.
Shoulder
9
0
1
Elbow
0
0
0
Wrist
0
3
5
Finger joints
2
1
1
Hip
0
1
2
Knee
2
5
4
Ankle
1
3
1
Toe joints
0
1
0
Total
14
14
14