3 Benefits of Doing Rack Pulls- Including rack pulls in your strength-training program can have several benefits. 👉 Rack pulls activate muscles throughout your posterior chain. With proper form, the rack pull can build muscle mass and encourage muscle hypertrophy throughout your lower body—specifically in your hamstrings, spinal erectors, quadriceps, and lower back muscles. 👉 Rack pulls can increase your pulling strength and grip strength. By strengthening muscles in your forearms and back, th