Box Reverse Shoulder Stretch — how to, muscles worked, alternatives

How to do the Box Reverse Shoulder Stretch

Stand with your back to a tall box, palms flat on top behind you.
Bend your knees and lower yourself slowly, keeping your arms straight.
Stop when you feel a stretch across the front of your shoulders.
Hold and breathe slowly, then straighten your legs to come up.

Full technique — 7 steps

Stand with your back to a tall box, feet about shoulder width apart.
Reach behind you and place both palms flat on top of the box with your arms straight.
Bend your knees and lower your body slowly, rising onto the balls of your feet if needed.
Stop when you feel a stretch across the front of your shoulders and chest.
Let the shoulders stay down instead of shrugging toward your ears as you settle in.
Breathe slowly and hold the position without forcing deeper range or arching your lower back.
Straighten your legs slowly to come out of the stretch.

Common mistakes

Shrugging shoulders toward ears
Bending the elbows to go lower
Dropping too fast into the stretch
Leaning the torso forward
Forcing range past control

Form cues

Keep arms straight
Shoulders away from ears
Torso upright
Lower in gradually

Where to start and where to go next

Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.

Easier Seated Reverse Shoulder Stretch Beginner
This exercise Box Reverse Shoulder Stretch Beginner

Too hard for now? Start with the Seated Reverse Shoulder Stretch.

Quick answers

What muscles does the Box Reverse Shoulder Stretch work?

Primary: Front delts 8/10. Also works: Mid chest 5/10, Biceps 4/10.

When should I do the Box Reverse Shoulder Stretch in a workout?

Warm-up. Done at the start to get the body ready. ≈ 3 min with rest.

How many sets and reps of the Box Reverse Shoulder Stretch?

Strength: 1–2 sets of 20–30 reps, rest 30 s, 6 reps in reserve. Muscle growth: 1–2 sets of 20–30 reps, rest 30 s, 6 reps in reserve. Endurance: 1–2 sets of 30–45 reps, rest 30 s, 6 reps in reserve.