neck rule

== English == === Noun === the neck rule Ellipsis of above the neck rule. === Further reading === The following refer to the above the neck rule simply the neck rule: 2016. Constance Sommer. "Feeling sick but still want to exercise? Let the ‘neck rule’ be your guide". Los Angeles Times. 2025. Dr. Denise Allen. "The Neck Rule". USA Triathlon.