Asymmetric tonic neck reflex, or ATNR, is one of the primitive reflexes that babies experience as part of brain development. These reflexes are crucial because they help your baby to survive and ...

Reflexes are movements that humans do involuntarily, without thinking. You can observe these from the moment your child is born. There are five common reflexes you’ll see in your newborn: The ...

Primitive reflexes are automatic motor responses present at birth that normally integrate within the first year of life as higher cortical functions mature. Assessment of these reflexes forms a ...

The STNR is a primitive reflex that is characterized by upper extremity (UE) extension and lower extremity (LE) flexion with neck extension, and by UE flexion and LE extension with neck flexion.