The tendons responsible for bending your fingers are enclosed in tunnels called sheaths that allow them to glide freely.
Occasionally, a sheath can become inflamed and swollen, restricting the movement of the tendon.
Trigger finger causes stiffness or the locking of fingers, particularly in the morning after a period of nonuse.
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Scleroderma
Sclerodermais an autoimmune disease that causes inflammation and thickening of the skin and other tissues.
The initial stages of scleroderma involve swelling of the fingers.
Many people with scleroderma experience hand stiffness that is worse in the morning.
Certain medications like statins can do the same.
If not, physical therapy, prescription drugs, joint injections, or even surgery may be needed.
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