The big back muscles are called latissimus dorsi and rhomboids. The benefits of a push/pull routine Assisted Pull-up Video Guide - Weighteasylosscom - Fitness Lifestyle Fitness And Bodybuilding Review Actua Assisted Pull Ups Pull Ups Gym Workout Tips The pull up muscle groups mainly used are the large back muscles, upper back muscles, the biceps, and the forearms. What muscle groups do pull ups workout . Support yourself on your forearms and toes with your abdominals and core flexed. As pull up is compound exercise they target different muscle groups at same time. Barbell rows (both supinated and reverse grip) dumbbell rows; When you begin to pull yourself up and close the gap between the shoulders and hands, we are using the biceps and forearms (think of a bicep curl to visualise what i mean here). Traps (trapezius) pecs (pectoralis major) rhomboids; Pull up muscles worked includes: During a pull up, the main function of the bicep is elbow flexion, reducing the a...