Quote:
Originally Posted by Mark McM
To measure efficiency, you need more than just a power meter - you also need something to measure metabolic energy expenditure (this is usually done by measuring inhaled and exhaled gasses).
Several studies have been done to try to measure efficiency changes with different pedaling techniques. These studies have shown that some techniques can change maximal power, or time to fatigue, but none have shown much change in overall metabolic efficiency.
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I guess this is closer to what I'm getting at. Because it may sound better to have equal power from each leg (to pick one metric), but does it actually MATTER from an outcome perspective? Before we all get bent out of shape staring at our left-right power, perhaps we need to figure out whether there's any evidence whether 50%-50% is any better than 42%-58%.
Put another way: if someone's goal is to win bike races, do we have real evidence that all these metrics we stare at actually contribute to that goal?