Whether you’re striving to outperform your opponent, break a record or just want to be in best shape possible, knowing how your body generates energy is paramount to optimizing performance.

VO2 Max is one of the performance indicators we test for at Apex Human Performance. Knowing and improving your VO2 Max can be the difference between life and death.

VO2 Max is an important physiological measure of cardiovascular fitness, which can also help to explain differences in athletic performance between individuals

Wearable fitness devices have become increasingly popular in recent years, and can range anywhere from watches to straps to rings. Are they worth the cost for measuring VO2?