Lift monitoring system and method

A computerized method for monitoring the lifting behavior of a subject comprising:

• receiving, from a wearable trunk sensor worn by the subject, trunk sensor data indicative of trunk movement measured by the trunk sensor;
• receiving by a transceiver, from a wearable thigh sensor worn by the subject, thigh sensor data indicative of thigh movement measured by the thigh sensor;
• determining, by a portable computing device, a trunk angle based on the received trunk sensor data;
• determining, by the portable computing device, a thigh angle based on the received thigh sensor data;
• calculating, by the portable computing device, a lift risk level associated with subject movements based on the determined trunk angle and thigh angle,
• outputting, by the portable computing device, feedback indicative of an incidence of a high-risk movement.

A non transitory computer readable medium storing computer executable instructions, which, when executed, cause a portable computing device to:

• receive by a transceiver, from a wearable trunk sensor worn by a subject, trunk sensor data indicative of trunk movement measured by the trunk sensor;
• receive by a transceiver, from a wearable thigh sensor worn by the subject, thigh sensor data indicative of thigh movement measured by the thigh sensor;
• determine a trunk angle based on the received trunk sensor data;
• determine a thigh angle based on the received thigh sensor data;
• calculate a lift risk level associated with subject movements based on the determined trunk angle and thigh angle,
• classify subject movements as corresponding to one or more predetermined lifting strategies;
• and
• output feedback to the subject indicative of at least one of i) a determination that the subject is employing an unsafe lifting strategy and ii) an incidence of a high-risk movement.

A system for monitoring the lifting behavior of a subject comprising:

• means for receiving, from a wearable trunk sensor worn by the subject, trunk sensor data indicative of trunk movement measured by the trunk sensor;
• means for receiving, from a wearable thigh sensor worn by the subject, thigh sensor data indicative of thigh movement measured by the thigh sensor;
• means for determining, by a portable computing device, a trunk angle based on the received trunk sensor data;
• means for determining, by the portable computing device, a thigh angle based on the received thigh sensor data;
• means for calculating, by the portable computing device, a lift risk level associated with subject movements based on the determined trunk angle and thigh angle,
• means for classifying, by the portable computing device, subject movements as corresponding to one or more predetermined lifting strategies;
• and
• means for outputting, by the portable computing device, feedback to the subject indicative of at least one of i) a determination that the subject is employing an unsafe lifting strategy and ii) an incidence of a high-risk movement.