Alternating Stability-Ball Seated Shoulder Mobility
The Alternating Stability-Ball Seated Shoulder Mobility mainly works the shoulders. You'll need: exercise ball.
Required Equipment

Alternating Stability-Ball Seated Shoulder Mobility Muscles Worked
Primary
Rear Shoulder (Delts) (posterior deltoid); Shoulder Rotator (subscapularis)
Secondary
Front Shoulder (anterior deltoid); Side Shoulder (lateral deltoid)
How to do the Alternating Stability-Ball Seated Shoulder Mobility
Setup
Sit upright on a stability ball with your feet flat on the floor, hip-width apart. Maintain a neutral spine and engage your core for stability.
Execution
Reach one arm overhead, bending the elbow so your hand reaches down towards the center of your back.
Reach the other arm behind your back, bending at the elbow, and attempt to grasp the fingers of the upper hand.
Keep your chest open and avoid rounding your shoulders forward.
Hold the position for a comfortable amount of time, focusing on deep breathing.
Release the arms slowly and switch sides by placing the opposite arm overhead and the other behind the back.
Tips
If you cannot reach your fingers, use a small towel or strap to hold onto if needed, or simply work on moving them as close together as comfortably possible.
Keep your head in a neutral position, avoiding looking down or forward excessively.
Alternating Stability-Ball Seated Shoulder Mobility FAQs
What muscles does the Alternating Stability-Ball Seated Shoulder Mobility work?
The Alternating Stability-Ball Seated Shoulder Mobility mainly works the shoulders. The main muscles are the posterior deltoid and subscapularis.
What equipment do you need for the Alternating Stability-Ball Seated Shoulder Mobility?
Exercise ball.
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