A historical medical treatment involving mustard.
El médico le recomendó usar un sinapismo para aliviar el dolor muscular tras la actividad física intensa.
The doctor recommended using a mustard plaster to relieve muscle pain after intense physical activity.
El sinapismo es un remedio antiguo que se usaba para aliviar dolores musculares.
The mustard plaster is an ancient remedy that was used to relieve muscle pain.