ESA astronaut Luca Parmitano explains the Muscle Atrophy Research and Exercise System (MARES) before his Volare mission to the Internatioanl Space Station in 2013.
A highly-advanced exercise machine, MARES examines astronaut muscle strength during a workout in space.
Luca’s Volare mission involved over 30 experiments, three spaceship dockings and two spacewalks.
Follow Luca via lucaparmitano.esa.int