Barbell Deadlift
Mainly exercises the latissimus, rhomboids, and biceps.
Spread your feet parallel, bend your knees slightly, straighten your upper body and lean forward, relax your hands and elbows, and grasp the barbell with both hands as wide as your hips.
Keep your trunk still in the same position, use your back muscles to move the barbell toward your ribs with both hands.
Train once every other day, 3 groups each time, 12 times each.