It's normal and common for your arm to be sore after getting a flu shot. Your symptoms may include pain, swelling, or redness where the shot was given. This happens because of the injection itself ...

In one study, seven patients (26%) presenting with foot drop had had recent IM injections in the buttock. An additional 20 patients (74%) presented much later (Fatunde & Familusi, 2001).

For tame birds that will perch on a handler's arm, a 'body-corner-towel ... the large pectoral muscles are used for most intramuscular (i.m.) injections. Before administering an i.m. injection ...

While in prison, he had received several left gluteal IM injections (the indications and drugs are unknown). Approximately 12 months before presenting, he developed a painful, swollen left leg ...