Seated Underhand Arm Circle on a Chair
- Músculo objetivo
- —
- Equipamiento
- Body weight
- Parte del cuerpo
- Shoulders
- Tipo
- Strength
Seated Underhand Arm Circle on a Chair is a bodyweight shoulder mobility exercise performed while seated upright in a chair, with the palms facing upward throughout the circular path of each arm. The movement challenges the deltoids, rotator cuff muscles, and scapular stabilizers, making it a practical option for improving shoulder range of motion and postural control without the need for any equipment.
Cómo hacer el Seated Underhand Arm Circle on a Chair
- 1Sit upright in a sturdy chair with your feet flat on the floor, hip-width apart, and your hands resting on your thighs.
- 2Sit tall, lengthen your spine, and pull your shoulder blades gently down and back to establish a neutral posture.
- 3Raise both arms out to your sides at shoulder height, rotating your forearms so your palms face upward — this is the underhand (supinated) position you will maintain throughout the movement.
- 4Begin tracing slow, controlled circles with both arms simultaneously, starting by moving the arms forward and upward.
- 5Continue the circular path overhead, then back and downward, completing one full rotation while keeping the palms continuously facing upward.
- 6Keep the circles smooth and even, maintaining tension in the shoulders and avoiding any shrugging of the traps toward your ears.
- 7Complete the prescribed number of circles in the forward direction, then pause and reverse the direction, tracing the circles backward for an equal number of repetitions.
- 8Lower your arms and rest briefly between sets, keeping your posture upright throughout.
Consejos de técnica
- Keep your palms facing upward at every point in the circle — the supinated grip is what differentiates this variation and increases engagement of the external rotators of the shoulder.
- Control the size of the circles: smaller circles at first let you feel the shoulder muscles working, and you can gradually widen them as your mobility improves.
- Avoid letting your lower back arch or your torso rock — anchor yourself by lightly engaging your core so the movement comes entirely from the shoulder joints.
- Move at a deliberate, unhurried pace; slowing the circles down increases time under tension and gives the rotator cuff muscles more work to do.
- If one shoulder feels restricted or catches during the circle, reduce the size of the circle on that side rather than compensating with trunk movement.
Errores comunes
- Letting the palms rotate downward mid-circle: Allowing the forearms to pronate during the movement removes the supination stimulus that recruits the external rotators and defeats the purpose of the underhand variation.
- Shrugging the shoulders upward: Elevating the traps throughout the circles reduces scapular stability and places unnecessary strain on the upper trapezius and neck rather than targeting the deltoids and rotator cuff.
- Making circles too large too soon: Starting with excessively wide circles beyond your current range of motion causes the torso to compensate and shift, reducing shoulder isolation and increasing injury risk.
- Rushing through the repetitions: Moving too quickly turns the exercise into momentum-driven swinging, which bypasses the stabilizing muscles of the rotator cuff and provides little mobility benefit.
- Slouching in the chair: A rounded back tilts the shoulder joint forward and compresses the structures in the subacromial space, limiting the available range of motion and increasing impingement risk during overhead portions of the circle.
Preguntas frecuentes
What muscles does Seated Underhand Arm Circle on a Chair work?
The exercise primarily challenges the deltoids (front, side, and rear heads), the rotator cuff muscles (supraspinatus, infraspinatus, teres minor, and subscapularis), and the scapular stabilizers including the lower trapezius and serratus anterior. The underhand (supinated) palm orientation places additional demand on the external rotators of the shoulder throughout the circular path.
What is the difference between underhand and overhand arm circles?
In an overhand (pronated) arm circle the palms face downward or backward, which tends to bias the anterior deltoid and internal rotators. In an underhand (supinated) arm circle the palms face upward throughout the movement, increasing the recruitment of the external rotators and rear deltoid. This makes the underhand version particularly useful for counteracting the internal-rotation bias that develops from prolonged desk work or repetitive pressing movements.
Is this exercise suitable for people with shoulder pain?
Gentle seated arm circles can be beneficial for maintaining shoulder mobility, but if you have an existing injury such as a rotator cuff tear, impingement syndrome, or recent surgery, you should consult a physiotherapist before performing this exercise. Start with very small circles and stop immediately if you feel a sharp or pinching sensation in the shoulder.
How many sets and reps should I do for Seated Underhand Arm Circle on a Chair?
For shoulder mobility and muscle endurance, 2–3 sets of 10–15 slow circles in each direction works well as a starting point. Performing this as a warm-up before upper-body training or as a desk break during a long workday are both practical applications. Rest 30–45 seconds between sets.
Can I do this exercise at my desk during the workday?
Yes, and it is one of the more practical applications of this exercise. Because it requires only a chair and your own bodyweight, it works well as a brief mobility break to counteract the shoulder rounding and internal rotation that accumulates from prolonged sitting at a keyboard. Even 2–3 minutes of slow arm circles every hour can meaningfully improve shoulder mobility over time.
