Table 3 Definitions of angles used to describe the sitting and standing posture
From: Physical risk factors for adolescent neck and mid back pain: a systematic review
Angle | Lines forming the angle |
|---|---|
 Cervicothoracic angle | Line 1:SP T12 – SP C7 |
Line 2:SP C7 – Tragus (ear) | |
 Craniocervical angle | Line 1:SP C7 – Tragus (ear) |
Line 2:Tragus (ear) – Canthus (eye) | |
 Head flexion | Line 1:Canthus (eye) - Tragus (ear) |
Line 2:Vertical line through Tragus (ear) | |
 Lumbar angle | Line 1:Greater trochanter – ASIS |
Line 2:ASIS – SP T12 | |
 Neck flexion | Line 1:Tragus (ear) – SP C7 |
Line 2:Vertical line through SP C7 | |
 Pelvic tilt | Line 1:Greater trochanter – ASIS |
Line 2:Vertical line through Greater trochanter | |
 Trunk angle | Line 1:Greater trochanter – SP T12 |
Line 2:SP T12 – SP C7 | |
 Body lean angle | Line 1:Lateral malleolus – SP C7 |
Line 2:Vertical line through SP C7 | |
 Craniovertebral angle | Line 1:Tragus (ear) – SP C7 |
Line 2:Horizontal line through SP C7 | |
 Pelvic displacement angle | Line 1:Lateral malleolus – Greater trochanter |
Line 2:Vertical line through Greater trochanter | |
 Trunk lean angle | Line 1:Greater trochanter – SP C7 |
Line 2:Vertical line through SP C7 | |