Barcelona's secret weapon

Footballers have already got TV cameras, GPS monitors and flashing smartphones tracking their every move - and now even their clothes are being designed to ensure they stay on the straight and narrow.

Barcelona’s players have started to wear hi-tech cycling shorts, which measure how hard the quadriceps and hamstrings are working in each leg, to detect any muscle imbalance.

Thank you for reading 5 articles this month* Join now for unlimited access

Enjoy your first month for just £1 / $1 / €1

*Read 5 free articles per month without a subscription

Join now for unlimited access

Try first month for just £1 / $1 / €1