Figure 4From: Effects of cervical muscle fatigue on the perception of the subjective vertical and horizontalThe orientation of efforts. Neutral position (N). Extension (E), right posterior oblique (RPO), right lateral flexion (RLF), right anterior oblique (RAO), left posterior oblique (LPO), left lateral flexion (LLF), left anterior oblique (LAO) and flexion (F).Back to article page