Workers flashed a hand signal in a photo with Tesla's first Cybertruck built at its Austin factory. The photo shows several workers using their thumb and index finger to make an angular shape.

In the ever-evolving landscape of online culture, the subtle nuances of communication often become battlegrounds in the ...

That tingling in your hands isn't normal. Our expert guide explains the real causes of carpal tunnel syndrome and walks you ...

You may especially feel it in your thumb, index finger, ... aching pain at the base of the thumb. The hand may also become weaker, ... It causes your fingers or thumb to lock in a bent position.

Bend the thumb inward toward the palm until it touches the tip of the index finger. Hold for 10 seconds. Repeat the exercise on the middle, ring, and little finger.

There are two main hand gestures that bikers use (with index and middle fingers) while riding. The first is the "double file" gesture, where a rider raises two fingers up.