Where the Muscle Is Located
The rhomboid major and rhomboid minor are two muscles located in the upper back beneath the trapezius. The rhomboid minor originates from the spinous processes of C7 to T1, while the rhomboid major originates from T2 to T5. Both insert on the medial border of the scapula. Their main function is to retract the scapulae—drawing the shoulder blades together—and help stabilize the shoulder girdle.
Different Ways to Engage
- Scapular Squeeze Hold: Sit or stand upright and pull your shoulder blades together and downward, holding the contraction.
- Band Pull-Aparts: Hold a resistance band in front of you and pull it apart horizontally while keeping the arms straight and shoulder blades squeezing together.
- Face Pull Hold: Perform a face pull with a rope or band and pause at the end range, focusing on scapular retraction.
- Wall Angels: Stand with your back against a wall and move your arms up and down in a controlled motion while maintaining contact and squeezing the scapulae.
- Prone Scapular Retraction: Lie face down, lift your arms off the floor, and retract the shoulder blades without using momentum.
How Long to Hold Flex for Muscle Growth
- Beginner: 5–8 seconds, 2–3 sets
- Intermediate: 10–15 seconds with more focused contraction, 3–4 sets
- Advanced: 20–30 seconds using bands or weighted holds, 4–5 sets
Train 3–4 times per week to improve scapular control and postural strength without overloading the small stabilizing muscles.
Different Levels of Skill
- Beginner: Start with bodyweight and isometric retractions while learning correct scapular motion.
- Intermediate: Add resistance bands or perform controlled dynamic movements to build strength and endurance.
- Advanced: Use loaded rows, deep holds, and integrate scapular retraction into compound lifts like deadlifts and pull-ups for functional reinforcement.
How It Supports Other Muscles
- Middle and Lower Trapezius: Shares scapular retraction and depression duties, especially during pulling motions.
- Latissimus Dorsi: Works together during pulling movements for scapular and arm coordination.
- Rotator Cuff Muscles: Benefits from a stable scapula for more efficient shoulder function.
- Posterior Deltoid and Teres Major: Engaged during shoulder extension and horizontal abduction movements involving scapular stabilization.
The rhomboid major and minor are essential for upper body posture, shoulder stability, and balanced back development. Strengthening them helps counteract forward shoulder posture, improves pulling mechanics, and contributes to a stronger, healthier upper back.