Biceps curls are a staple in many men's workout routines. They also happen to be a staple of ridicule in the training world. But I think we might be rushing to judgment by convicting the curl -- which, as it turns out, might be a great core exercise!
Activating our core muscles has been a mantra by many professionals helping their clients in seeking better overall strength, protecting from back pain and improving performance. But what I learned early in my PT practice is that our brains do not know muscles, only movement.