Expedition 72 crew members are attaching sensors to themselves and exercising to observe the effects of living and working in microgravity.
NASA Flight Engineer, Nichole Ayers, is wearing a sensor-packed vest for a 48-hour session to measure her cardiovascular health.
JAXA Flight Engineer, Takuya Onishi, is using a motion capture system to record his workout on the advanced resistive exercise device to understand the effects of exercise in space.
Roscosmos cosmonauts, Alexey Ovchinin and Ivan Vagner, are studying how the circulatory system adapts to spaceflight by attaching sensors to their body parts.