Method and apparatus for human trunk support device

A trunk support device configurable to be worn by a person to reduce muscle forces in a wearer's back during forward bending, the trunk support device comprising:

• a waist strap configured to couple to a wearer's waist and including first and second hip portions;
• a chest support including a chest engagement piece configured to engage a wearer's chest and first and second opposing support bars connected to opposing side portions of the chest engagement piece;
• and
• first and second torque generators, each of the first and second torque generators connected to a respective one of the first and second hip portions of the waist strap and a respective one of the first and second opposing support bars of the chest support, wherein, when a wearer bends forward, said first and second torque generators each impose a resistance torque between said chest support and said waist strap, cause said chest engagement piece to impose a force against a wearer's chest, and cause said waist strap to impose a force onto a wearer's hips.