Lee Seong-hak from Incheon National University's Exercise Medicine and Disability Rehabilitation Lab performed a VO2max test using COSMED Aquatrainer.

The Real Madrid players were subject to an intense fitness test with the COSMED K5 wearable metabolic system as they continue their preparations ahead of the return to LaLiga action next week.

Discover how the K5 expands the scope of metabolic testing from clinical exercise testing to performance assessment.

During the first pre-season week Real Madrid team performed a high-intensity training session wearing COSMED K5 metabolic system under the guidance of fitness coach Antonio Pintus.

Is a 5 minute VO2Max power test necessary? When you know your 5 minute max cycling power, you add another chess piece to your racing arsenal.