P&P #36. Lifting a Weight from the Ground in a Straight Line May Be Incorrect and Unsafe.
Physiotherapists, physical educators and other fitness professionals usually advise anyone lifting weights from the ground to do so in a straight line to prevent injury, yet high speed video analysis shows that the bar follows a specific curved path during lifts such as the clean, the clean pull and the deadlift. If the bar is lifted to the shoulders by an experienced weightlifter (using a power clean or full clean), it actually follows an S-shaped curve to the shoulders.
Even if a competent powerlifter executes a heavy bench press, he thrusts it upwards in a backward-arcing curve, not a straight line. Does this mean that lifting in a straight line is the wrong advice for everyone or does it really apply only to weightlifters and powerlifters during the competition lifts?
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