What should you know about morning shoulder stiffness?

A shoulder can feel tight after sleeping in one position or after a day with little movement. Ongoing stiffness may be a presentation of frozen shoulder, which restricts both active and passive movement. Rotator cuff problems can make lifting or reaching painful, while shoulder osteoarthritis may cause aching, grinding, and reduced range of motion.

Morning stiffness alone cannot identify one cause. Note whether one or both shoulders are affected, how long the restriction lasts after getting up, and whether pain wakes you or follows an injury.

Try gentle, pain-limited shoulder movement after waking, such as slow pendulum movements or sliding the hand along a wall. Warmth may make movement more comfortable. Avoid forcing a stiff joint, repeated overhead loading, or exercises that cause sharp pain.

Arrange a clinical assessment if the problem persists, worsens, limits dressing or reaching, or keeps returning. A clinician can compare strength and movement and decide whether physiotherapy or imaging is useful.

Seek urgent care for sudden severe shoulder pain after an injury, an obvious deformity, a cold or pale arm, new major weakness, or chest pain with sweating or breathlessness. Prompt assessment is also needed for fever with a hot, swollen shoulder or rapidly worsening symptoms.

Ask what movement pattern is present, whether the joint or rotator cuff seems involved, which home exercises are suitable, when imaging is needed, and what change in pain or strength should prompt earlier review.