Back double biceps is a popular pose among bodybuilders and fitness enthusiasts. This pose specifically targets the back and biceps muscles, making them look more defined and toned. However, there are various synonyms for this pose that can add more variety and flavor to your workout routine. Some synonyms for back double biceps include back lat spread, back thickness, back shots, back relaxation, and back triceps. These poses are also effective in working out the back and arm muscles. Incorporating these synonyms into your workout can make it more fun, challenging, and effective in achieving your fitness goals.