Photographic measurement of upper-body sitting posture of high school students: A reliability and validity study

Table 2 Validity findings (Pearson r values)

Validity	Sagittal head angle	Cervical angle	Protraction/retraction angle	Thoracic angle	Arm angle
All angles measures from validity photos and LODOX	0.84	0.89	0.89	0.92	0.79
Upright (n = 13)	0.73	0.89	0.88	0.81	0.76
Normal(n = 13)	0.97	0.85	0.48	0.93	0.86
Slouched (n = 13)	0.84	0.79	0.90	0.93	0.66
Female (n = 20)	0.67	0.90	0.73	0.95	0.75
Male (n = 19)	0.92	0.89	0.87	0.86	0.87

ISSN: 1471-2474