Exercise
SHOULDER STRETCH
Form cues
About
The cross-body shoulder stretch is a static stretch targeting the posterior deltoid, teres minor, and rotator cuff muscles — areas commonly tight from computer work, overhead pressing, and lack of thoracic mobility. It requires no equipment, can be performed anywhere, and offers immediate relief from shoulder tension when held correctly for 30 seconds or more per side. It is a staple in warm-up and cooldown routines for upper-body training sessions.
Instructions
Step-by-step technique
Stand or sit tall
Begin in a neutral posture — spine long, shoulders relaxed. You can perform this seated or standing. Either way, ensure your trunk is not compensating for the lack of shoulder mobility.
Neutral spine before you stretchReach across your body
Extend your left arm horizontally across the front of your chest. Keep the arm at shoulder height — neither reaching too high nor dropping low, as this changes which portion of the deltoid is targeted.
Arm at shoulder height, straight acrossHook and apply pressure
Use your right forearm (not your hand) to hook and press the left arm closer to your chest. Avoid pressing on the elbow joint itself — keep contact on the forearm 4–6 cm above the elbow.
Pressure on forearm, not the jointHold and breathe
Hold the stretch for 30–45 seconds, breathing slowly. With each exhale, allow the posterior shoulder to release a little further. Do not force it — let the breath do the work.
30–45 seconds, exhale into the stretchSwitch sides
Release slowly, shake the shoulder out, and repeat with the opposite arm. Address both sides equally even if one feels tighter — asymmetry is common and improves with consistent bilateral stretching.
Both sides every sessionCommon mistakes
What goes wrong — and why
Rotating the torso toward the arm
When the shoulder lacks range, the body compensates by rotating the trunk toward the stretching arm. This reduces tension on the posterior deltoid and makes the stretch ineffective.
Keep your chest squarely facing forward throughout. Place your free hand on your hip as a cue to prevent the torso from rotating.
Lifting the shoulder toward the ear
Shrugging the shoulder during the stretch removes the capsule tension and reduces the effectiveness of the stretch on the rotator cuff.
Actively depress the shoulder — pull it down away from the ear — before and throughout the stretch. This is the single biggest form correction for this exercise.
Pulling from the wrist
Gripping the wrist and pulling puts torque through the wrist joint rather than stretching the shoulder structures.
Hook the forearm, never the wrist. The pressure should be distributed across the forearm muscle belly rather than concentrated at a joint.
Variations · Progressions · Regressions
Adaptations for every level
Wall-Assisted Posterior Shoulder Stretch
Face a wall and press the back of your hand against it at shoulder height. Gently rotate your body away from the wall until you feel the stretch in the back of the shoulder. Useful when arm flexibility limits the cross-body version.
Sleeper Stretch
Lie on your side with the bottom arm at 90° to the body. Use the top hand to gently press the bottom forearm toward the floor. Targets posterior shoulder capsule tightness — the primary cause of internal rotation restriction.
Thoracic Rotation with Shoulder Reach
From a quadruped position, thread one arm under the body while rotating the thoracic spine. Combines shoulder and upper-back mobility into one movement, appropriate once basic shoulder flexibility is established.