From: Value of the swimming position and arm traction in visualizing the cervicothoracic junction over the standard lateral cervical X-ray
Number of cervical vertebrae visualized on SLC X-ray
BMI
C1
C2
C3
C4
C5
C6
C7
T1
Median
p
Number of patients
<25
0
1
8
10
7
0.007
≥25
3
5
6