FITBODY Exercise Library · Mobility
Cross Body Shoulder Stretch
The cross body shoulder stretch, also called the cross body shoulder stretch with lats, is a simple standing stretch that opens the back of the shoulder and the upper lat, a quick reset for anyone who spends hours at a desk or just finished an upper body workout.
How to Do the Cross Body Shoulder Stretch
As a woman who spends a lot of time at the keyboard, I lean on this stretch constantly. The women I coach get the most out of it by pulling with slow, steady pressure rather than yanking the arm in, and by keeping the shoulder down instead of letting it creep up toward the ear.
What Muscles Does the Cross Body Shoulder Stretch Work?
The cross body shoulder stretch lengthens the posterior deltoid, the fibers at the back of your shoulder, along with the muscles of the rotator cuff that work alongside it. For a closer look at how this muscle is built, see this deltoid anatomy overview. Working through your shoulder’s full range of motion supports the kind of strength training that holds up over time.
See the full muscle breakdown
- Posterior deltoid: the rear fibers of the shoulder muscle, lengthened directly as you draw your arm across your body.
- Infraspinatus and teres minor: rotator cuff muscles that work with the posterior deltoid, stretched alongside it.
- Latissimus dorsi: the large back muscle spanning from your upper arm to your lower back, which is why the stretch reaches into the upper lat as your arm crosses further.
- Rhomboids and trapezius: the muscles between your shoulder blades lengthen slightly as the shoulder blade shifts forward and around.
Sets and Reps
This is a stretch, not a strength move, so focus on hold time and control rather than heavy sets.
| Goal | Sets | Hold |
|---|---|---|
| Daily maintenance | 1 to 2 per side | 15 to 30 seconds |
| Before an upper body workout | 1 per side | 15 to 20 seconds |
| Tight or restricted shoulders | 2 to 3 per side | 20 to 30 seconds |
Move into the stretch slowly and stop well short of pain. This works well right after a brief cardio warmup, at the end of a session, or any time your shoulders feel tight.
Variations and Modifications
Seated Cross Body Stretch
Perform the same pull while seated in a chair, useful at a desk between meetings or anytime standing is not convenient.
Cross Body Stretch with a Strap
If your shoulders are especially tight, loop a small towel or strap around your forearm to help guide the pull, which is easier on the wrist and hand than gripping tightly.
Doorway-Supported Cross Body Stretch
Rest your forearm lightly against a doorframe at shoulder height and gently rotate your body away to add a small assist to the stretch, a version that pairs well with a broader strength training routine on the days you train.
Pair this with my scapular retraction or wall angels for a complete posture and mobility routine, or browse the rest of my exercise library.
Common Mistakes to Avoid
- Pulling too hard or yanking the arm. Move into the stretch slowly and let the tension build gradually, rather than forcing your arm further than it wants to go.
- Shrugging the shoulder up toward the ear. Keep it down and relaxed so the stretch stays in the back of the shoulder instead of the neck.
- Rotating the torso instead of isolating the shoulder. Keep your chest facing forward and let the arm do the moving, not your whole upper body.
- Rushing through the hold. Give it the full 15 to 30 seconds rather than pulling in and immediately releasing, since the muscle needs time to lengthen.
Cross Body Shoulder Stretch FAQs
What muscles does the cross body shoulder stretch work?
The cross body shoulder stretch primarily lengthens the posterior deltoid, the fibers at the back of your shoulder, along with the infraspinatus and teres minor of the rotator cuff that work alongside it. As you draw your arm further across your body, the stretch also reaches into the upper latissimus dorsi, which is why this move is sometimes called the delt lat stretch. Your rhomboids and trapezius get a light stretch too, since your shoulder blade shifts forward and around as you pull. Together, these are the muscles that tend to tighten from long hours at a desk or repetitive shoulder movement. In my coaching I treat this as a quick, no equipment way to address all of them at once.
How long should I hold the cross body shoulder stretch?
Hold the stretch for 15 to 30 seconds on each side, breathing normally rather than holding your breath through it. If your shoulders are especially tight, two to three rounds per side works well, with a brief rest between. There is no need to force a longer hold than that, since research on this exact stretch shows meaningful improvement in shoulder range of motion from a few consistent weeks of practice, not from one long, aggressive pull. Stop well short of pain at any point during the hold. Consistency across the week matters more than how hard you pull on any single day.
Is the cross body shoulder stretch good for tight shoulders from sitting at a desk?
Yes, it is one of the more practical stretches for desk related shoulder tightness, since it needs no equipment and takes less than a minute per side. Long hours at a keyboard tend to shorten the muscles in the front of the shoulder and chest while the muscles at the back, including the posterior deltoid, get pulled into a lengthened, fatigued position. The cross body stretch directly targets that back of shoulder tightness, which is why I rely on it myself given how much time I spend at a keyboard. Pair it with a few scapular retractions or wall angels through the day for a more complete fix to desk posture.
Does research support the cross body shoulder stretch?
Yes. A randomized controlled trial published in the Journal of Orthopaedic and Sports Physical Therapy found that people with limited shoulder internal rotation who performed the cross body stretch over four weeks improved their range of motion more than those who did not stretch at all. The study also compared it against another common shoulder stretch, the sleeper stretch, and found the cross body version produced a comparable or slightly greater improvement. That research was done in a general adult population with measurable shoulder tightness, not specifically women over 40, but the underlying mechanism of lengthening the posterior shoulder tissue applies broadly. It is one of the more evidence backed stretches in this library.
Can I do the cross body shoulder stretch every day?
Yes, this is a low intensity stretch that most people can do daily without any issue, and daily practice is actually how the research on it was structured. Use it as part of a warmup before upper body training, a cool down afterward, or simply anytime your shoulders feel tight during the day. If you notice sharp pain, numbness, or tingling rather than a normal stretching sensation, stop and check with a physical therapist or doctor, since that is outside what a simple stretch should feel like. For most women, this is safe to work into a daily routine alongside the rest of your mobility work.
References
- McClure, Philip, et al. “A Randomized Controlled Comparison of Stretching Procedures for Posterior Shoulder Tightness.” Journal of Orthopaedic & Sports Physical Therapy, vol. 37, no. 3, 2007, pp. 108-114, doi.org/10.2519/jospt.2007.2337.
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I’m Julie Lohre, an IFBB Fitness Pro and certified personal trainer and nutrition specialist. For more than 20 years I have helped women over 40 get stronger, leaner, and more confident through personalized online coaching built around their real lives.