Weight training method, apparatus and system

A weight training system, comprising:

• a load sensor, detecting a weight of a load of a weight training apparatus;
• an activity sensor, detecting a motion of the load;
• at least one biophysical quantity sensor, disposed on at least one muscle portion of a user, and detecting a force applied by the at least one muscle portion when the user operates the weight training apparatus;
• and
• a computing device, coupled to the load sensor, the activity sensor and the biophysical quantity sensor, and configured for:
• calculating an operation power of the weight training apparatus by using the detected weight of the load and the detected motion of the load;
• using the detected force applied by the at least one muscle portion to calculate an energy power consumed by the user;
• and
• calculating an exercise efficiency value of the user by using the energy power and the operation power, and prompting the user to adjust an operation performed on the weight training apparatus when the exercise efficiency value drops beyond a preset ratio.

A weight training system, comprising:

• a load sensor, detecting a weight of a load of a weight training apparatus;
• an activity sensor, detecting a motion of the load;
• at least one biophysical quantity sensor, disposed on at least one muscle portion of a user, and detecting a force applied by the at least one muscle portion when the user operates the weight training apparatus;
• and
• a computing device, coupled to the load sensor, the activity sensor and the biophysical quantity sensor, and configured for:
• calculating an operation power of the weight training apparatus by using the detected weight of the load and the detected motion of the load;
• using the detected force applied by the at least one muscle portion to calculate an energy power consumed by the user;
• and
• calculating an exercise efficiency value of the user by using the energy power and the operation power, wherein
• the weight training apparatus is determined as being encountering an abnormality when the exercise efficiency value is greater than 1, and a provider of the weight training apparatus is prompted to eliminate the abnormality;
• or
• the operation of the user is determined as being inappropriate when the exercise efficiency value is less than 1, and the user is prompted to adjust the operation.