In skill acquisition, many coaches and athletes believe there is one optimal technique to copy. But this approach ignores a crucial reality.

All data had been collected by trained members of the study team, including research assistants, physiotherapists and nutritionist. The SPPB consists of three tests (balance, chair stand and gait ...

Standard Deviation is also known as root-mean square deviation as it is the square root of means of the squared deviations from the arithmetic mean. In financial terms, standard deviation is used -to ...