Symmetrical tonic neck reflex - Wikipedia
The symmetrical tonic neck reflex (STNR) is a primitive reflex that normally emerges during the first month of an infant's life and is diminished by the age of 9–10 months. [1]
What Is the Symmetric Tonic Neck Reflex? - WebMD
May 19, 2025 · Learn about the symmetric tonic neck reflex, what causes it, what to expect, and more.
Symmetric Tonic Neck Reflex (STNR): Definition and More
Sep 30, 2020 · Learn about your baby’s symmetric tonic neck reflex (STNR), including its relationship with other primitive reflexes, including TLR and ATNR.
The STNR Reflex: A Parent's Guide
Aug 1, 2024 · The Symmetrical Tonic Neck Reflex (STNR) is a primitive reflex that plays a key role in early childhood development. It helps babies transition from lying down to crawling by …
The Symmetrical Tonic Neck Reflex and Its Role in Development
Jul 30, 2025 · This reflex facilitates a baby’s ability to push up onto their hands and knees from a prone position, a precursor to crawling. The STNR integrates, or disappears, by approximately …
Understanding The Symmetric Tonic Neck Reflex: Causes ...
Nov 14, 2025 · The symmetric tonic neck reflex (STNR) is a primitive reflex present in infants, typically emerging around 6–8 months of age. It is characterized by a simultaneous extension …
What Is Symmetric Tonic Neck Reflex In Babies? - MomJunction
Oct 11, 2024 · Symmetric tonic neck reflex for babies occurs when they bend and straighten their limbs along with their head and neck. This reflex helps babies transition from lying on the floor …