While the Triangle position serves to strengthen the lower back, it also helps to activate the nerves that are located in the spinal column.
After extending the right hand straight forward and downward toward the right leg, straighten the right leg and then straighten the right hand. You can also use a block to place your hand near your front foot, make contact above the knee, on the shin, foot, or floor, or make contact with the ground. All of these options are available to you.
The left arm is lifted higher than the chest, and the chest is open to the side. The left arm is also open.