I couldn’t come up with a better name. Bend your upper body and bring your palms or your finger tips in front of your feet. Try to keep a connection with your belly and your thigh. Lift one leg and cross the knee over the other one. Stretch the standing leg as far as you can go with keeping the connection between upper and lower body. Concentrate on the thigh of the standing leg and try to keep your hips square (I am not perfect in this). Lower the standing leg again. Repeat.
Bring your resistance band under tension behind your shoulders. Arms are stretched to the sides. Bring your straight arms together in front of your chest.