In wall ball shoulder flexion you stand facing a wall with a small ball held under your palm at shoulder height, then roll the ball up the wall and back down with a straight arm. The wall takes some of the arm's weight, and pressing into the ball makes the muscles around the shoulder blade work to keep it steady. It is often used to practice lifting the arm forward (shoulder flexion) with control once a stiff or painful shoulder starts to settle.

How to do the wall ball shoulder flexion

Stand facing a wall with your feet about shoulder width apart, about an arm's length away.
Lift the working arm straight out in front of you and trap a small ball against the wall with your palm, at shoulder height.
Press gently into the ball so it stays put. Keep the elbow straight and the shoulder down, away from your ear.
Roll the ball slowly up the wall, keeping the pressure on. In the video it travels only a short way, from about shoulder height to about chin height.
Roll it back down to shoulder height with control and repeat.

What you should feel

Effort at the front of the shoulder and around the shoulder blade, plus some work along the side of the ribs from pressing into the ball.

Common mistakes

Hitching the shoulder up as the ball rises.
Leaning your body into the wall or arching the lower back to get the ball higher.
Bending the elbow, so the ball climbs without the shoulder doing the lifting.
Pressing so hard that the roll turns jerky.

How often

Many programs use 1 to 3 sets of 10 to 15 slow rolls, once or twice a day, taking the ball higher only while it stays comfortable. Your physio will adjust this.

Stop and check with your physio if

A sharp pain or pinch at the front or top of the shoulder as the ball rises.
Pain, pins and needles or numbness spreading down your arm or into your hand.
Pins and needles in your arm or hand that do not go away after you stop, or part of your arm or hand goes numb. Get medical advice the same day. If one side of your face or body suddenly goes numb or weak, or your speech becomes slurred or muddled, call emergency services, even if it goes away.
A sudden pop or tearing feeling in the shoulder that brings sharp pain, new weakness or trouble lifting the arm. Stop and contact your surgical team the same day, or get medical advice the same day if you have not had surgery.
The shoulder feels as if it has slipped out of place, looks a different shape or suddenly locks so you cannot move the arm, or your hand turns cold, pale or blue. Go to an emergency department straight away, without driving yourself, and do not try to put the shoulder back in yourself.

From the clinic

The voice guide talks about sliding the arm up the wall, while the video keeps the movement small and close to shoulder height. The short range is a sensible start. Your physio can tell you when to take the ball higher. A tennis ball or a soft play ball with a little grip works well. Wall slides use a towel under the hand for a longer slide, and the wall ball press uses the same setup as a still hold.

After shoulder surgery, including a rotator cuff repair, or after a shoulder fracture or dislocation, follow your surgeon's or physio's plan, and do only the movements and range they have cleared. Many plans allow only passive movement at first, where the arm is moved for you and its muscles stay relaxed. Your own muscles lift the arm here, even with the wall helping, so ask whether you are at that stage yet.

Written and checked by the PocketPhysio editorial team. Last updated 2026-09-28.

This page is general education, not a diagnosis or a personal treatment plan. If you have pain, an injury or a health condition, see a physiotherapist or doctor before starting new exercises.

Wall ball shoulder flexion