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What is Flexion extension in neck occurs at - and explain in detail?
Ans. is 'b' i.e., Atlanto-occipital joint o Atlantoaxial joint - Rotatory movement around vertical axis (Right to left and left to right movements).o Atlanto-occipitai joint - (i) Flexion-extension around transverse axis, (ii) Slight lateral flexion around antero-posterior axis.Also knowo Atlanto-occipital joint:- Median........................ Pivot joint.- Lateral .........................Plane synovial joint.o Atlantoaxial joint ............Ellipsoid joint.