Alternate Shoulder Flexion Back to Wall
- Target muscle
- —
- Equipment
- Body weight
- Body part
- Shoulders
- Type
- Stretching
The alternate shoulder flexion back to wall is a bodyweight mobility drill for the shoulders. Standing with your back flat against a wall, you raise one arm overhead at a time, using the wall as feedback to keep your spine neutral and isolate true shoulder flexion. It's a low-intensity way to improve overhead range of motion and warm up the shoulder girdle before pressing or pulling work.
How to do the Alternate Shoulder Flexion Back to Wall
- 1Stand tall with your back against a wall, heels a few inches out, and your head, upper back, and glutes lightly touching the wall.
- 2Brace your core gently and flatten your lower back so it does not arch away from the wall.
- 3Let both arms hang at your sides with your palms facing your thighs.
- 4Raise one arm forward and up overhead in a smooth arc, keeping the elbow straight and the back of your hand reaching toward the wall above you.
- 5Move only as far as you can without your lower back arching off the wall, then pause briefly at the top.
- 6Lower that arm under control back to your side along the same path.
- 7Repeat with the other arm, alternating sides for the prescribed number of reps.
- 8Finish with both arms relaxed at your sides and step away from the wall.
Form tips
- Keep your ribs down and your lower back in contact with the wall — that is the cue that keeps the stretch in the shoulder rather than the spine.
- Move slowly and reach long through the fingertips so the shoulder travels through its full available range.
- Breathe out as you raise the arm and in as you lower it, staying relaxed in the neck and traps.
- If your arm cannot reach the wall overhead without your back arching, stop at your honest end range and let mobility improve over time.
Common mistakes
- Letting the lower back arch off the wall to gain extra overhead range, which fakes the motion through the spine instead of the shoulder.
- Shrugging the shoulder up toward the ear as the arm rises, which loads the upper traps and reduces clean shoulder flexion.
- Bending the elbow to swing the hand higher, which shortens the lever and cheats the range of motion.
- Rushing through reps with momentum rather than controlling the arm up and down, which loses the mobility benefit.
Frequently asked questions
What muscles does the alternate shoulder flexion back to wall work?
It mobilizes the shoulder complex — chiefly the deltoids and the surrounding shoulder-girdle and scapular muscles — as you flex each arm overhead. It is a mobility and warm-up drill rather than a strength builder.
Why do I keep my back against the wall?
The wall is a feedback tool. Keeping your lower back flat against it stops you from arching your spine to fake overhead range, so the movement comes from genuine shoulder flexion.
Is this exercise good for beginners?
Yes. It uses only body weight, moves through a controlled range, and is gentle on the joints, making it a safe shoulder warm-up or mobility drill for beginners.
How many reps should I do?
As a mobility or warm-up drill, 8–12 slow, controlled reps per arm for 1–2 sets is a sensible default. Prioritize clean range over speed or volume.
When should I do this exercise?
It works well as part of a warm-up before overhead pressing, pulling, or any upper-body session, or as a standalone mobility drill on recovery days.
