There are more nerves in the muscle in the thigh than in the deltoid muscle, and it is easier to find the safe place to do the injection in the upper arm (which is why this is a common used place to give vaccinations i.m.)
StatPearls [Internet], 2024 Jan Avinoam Shiran, Eric Remer, Ihab Asmer, Basheer Karkabi, Eran Zittan, Aliza Cassel, Mira Barak, Orit Rozenberg, Khaled Karkabi, Moshe Y Flugelman
Push Patches are ideal for individuals recovering from: Sports injuries or overuse syndromes Joint degeneration Chronic fatigue or inflammation Post-surgical recovery or intensive physical therapy Application is simple, and our team provides clear instructions for at-home use
Hypomagnesemia Can develop after months to years muscle cramps, tremors, arrhythmias