The single leg RDL is a great exercise to work on coordination, strength and stability. It can be performed with a barbell or by holding a weight in one hand like I’m showing here.✅ . One of the most common problems with this movement is when the back leg remains bent, leading to a break in the motion where the back starts to move at the end of the movement like Andrew is demonstrating here. This fault takes the emphasis off the posterior chain (glutes and hamstrings) and shifts the load to the