Simple exercises to ease back pain for heavy-work labourers

In port, warehouse and construction work, many labourers suffer back and waist pain from carrying heavy loads. They keep working through the pain and the problem grows. Before work starts, everyone can do five minutes of simple stretching and bending together. Teach habits like lifting with bent knees and sharing a load instead of one person lifting too much. If pain is bad, see a doctor. It needs a little open space, someone to lead and everyone's goodwill.