I'm not talking about chiropractors. Physiotherapists I see, and have seen regularly for over 15 years all say the work includes physically demanding postural mechanics helping clients.
They are probably older physiotherapists, or you have particular issues that requires it (parastesias, displaced muscles or ligaments, dropping organs). Modern physiotherapy tries to limit body manipulation to a minimum and will always prefer to give you exercises if possible (sources: 5 of my cousins are physiotherapists, those who couldn't become doctor mostly)