Q.Assertion (A) : The efficiency of a worker is at his best when his head, chest and pelvis are aligned in a straight line. Reason (R) : The efficiency of the worker is at his best as his body weights are aligned together which could be due to torque. Codes :
Correct answer: (A) is true, but (R) is false.
Explanation
The efficiency of a worker is at his best when his head, chest and pelvis are aligned in a straight line. Keeping the body parts in alignment results in stability when the various body weights are correctly positioned each centre over the base of support.
The efficiency of a worker is at his best when his head, chest and pelvis are aligned in a straight line. Keeping the body parts in alignment results in stability when the various body weights are correctly positioned each centre over the base of support.