Snapping and jerking movements in fingers can be associated with which condition?

Snapping and jerking movements in the fingers are characteristic symptoms of Trigger Finger, which is a condition that affects the tendons in the fingers. When a person has Trigger Finger, the tendons can become inflamed or thickened, causing them to catch or lock as they move through the surrounding sheath. This results in a snapping motion, where the finger may suddenly jerk or "snap" into a straight position after being flexed or bent.

In contrast, the other conditions listed have different predominant symptoms or causes. For instance, Rotator Cuff Tendinitis primarily involves shoulder pain and is not associated with finger movements. De Quervain's Disease affects the thumb and is characterized by pain along the thumb side of the wrist, typically with swelling or discomfort rather than jerky movements. Raynaud's Syndrome involves a vascular response to cold or stress, often leading to color changes in the fingers and is not associated with the mechanical snapping or jerking.

Therefore, the correct association of snapping and jerking movements in the fingers aligns specifically with Trigger Finger.