Can You Move in Medieval Armour? An Experiment in Mythbusting - Medievalists.net
Many believe the myth that medieval armour was hard to move in. However, with Boucicaut as an example, our video proves that late medieval armour allowed for surprising mobility.
An average person who doesn't do regular manual labour would not be able to carry a trained soldier's gear.
Doesn't mean that soldiers are some superhumans. It's all about training.