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December 01, 2011

Box lift and place is a better assessment than pushups and chinups for job strength tasks

Current generic fitness assessments (including push-ups, sit-ups and chin-ups) are often poor predictors of performance in strength based job tasks.

In a DSTO study involving over 100 soldiers, the effectiveness of push-ups, sit-ups and chin-ups was compared to a 'box lift and place' assessment method (pictured) that involves lifting a weighted box in a manner that replicates what is required in the field.

The results of this assessment method were then recorded against five strength based task simulations, including 'bombing up' a tank, repetitively loading an artillery gun, dragging an injured soldier, building a bridge, and lifting a field pack onto the tray of a truck.

Success with the 'box lift and place' assessment method was closely correlated to success in four of the five strength based tasks, while push-ups and chin-ups correlated with only one of the five job tasks (bridge building).

“The box lift assessment is a far superior predictor of job performance,” Mr Carstairs said.





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