Limber up and Rely upon

Limber up verb - Make one's body limber or suppler by stretching, as if to prepare for strenuous physical activity.

Rely upon and limber up are semantically related. In some cases you can use "Rely upon" instead a verb "Limber up".

Rely upon verb - Put trust in with confidence.

Limber up and rely upon are semantically related. Sometimes you can use "Limber up" instead a verb "Rely upon".