Alcaraz prepares for the Australian Open using advanced technology in training.

The following set of images shows Carlos Alcaraz undergoing specialized exercise physiology testing at the Cardiosalus Sports Medicine Center in Murcia, Spain, aimed at preparing for the 2026 Australian Open.

Maximal oxygen uptake test.

The breathing mask worn by Alcaraz measures oxygen intake and carbon dioxide output during exercise to calculate VO₂max — a key indicator of an athlete’s cardiovascular fitness and aerobic endurance. A higher value means a greater capacity to deliver and utilize oxygen during intense activity, which is crucial for sustaining energy in long five-set tennis matches.

Electrocardiogram monitoring system.

The electrodes and mesh harness on his body record the electrocardiogram (ECG), continuously tracking heart rate, rhythm, and myocardial blood supply. This is combined with a treadmill’s progressive intensity increases (speed and incline) to simulate the high-intensity conditions of tennis competition.

Tailored preparation for the Australian Open.

The team analyzed Alcaraz’s past losses at the Australian Open and identified aerobic endurance as a critical weakness when facing long matches in Melbourne’s hot climate. This test aims to precisely assess his aerobic capacity to develop a personalized training plan.

Reflection of scientific training.

Post-test, the team also noticed a slight increase in his body fat percentage during the off-season and will adjust training loads accordingly to improve aerobic endurance, preserve his signature explosiveness, and reduce injury risk.

Testing environment.A professional sports medicine center laboratory equipped with a treadmill and physiological data monitoring devices.

Staff roles:Medical personnel handle electrode placement and device setup, exercise science experts monitor data in real-time, and the coaching team designs subsequent training plans based on the results.

It must be said, elite athletes’ training is “armed to the teeth.” This is a level that ordinary athletes cannot reach.

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