To make a standard Plank ridiculously hard, try the Russian Kettlebell Challenge Plank . Created by former Soviet Spetsnaz trainer and kettlebell guru Pavel Tsatouline, the RKC Plank transforms a traditional Plank into a completely different beast.
Which is the toughest plank?
To make a standard Plank ridiculously hard, try the Russian Kettlebell Challenge Plank . Created by former Soviet Spetsnaz trainer and kettlebell guru Pavel Tsatouline, the RKC Plank transforms a traditional Plank into a completely different beast.