Follow your curiosity

What discovery has been shared with you?

FACTREE gives you something interesting to discover every day — and something worth talking about together.

Start with one fact. Explore it, go deeper, then follow whichever branch catches your imagination.

Choose subjects for a surprise

Exploring any topic

Begin your discovery

Your next discovery is one click away.

Choose one or more subjects above, or leave Any Topic selected and let curiosity decide.

Biology

Kinematics of the Scapulothoracic Joint in Shoulder Pathology

Quick fact

In many shoulder problems, like impingement or rotator cuff tears, the scapula doesn't move normally—often showing less upward rotation and posterior tilt, which can narrow the space for tendons and lead to pain.

Why this is interesting

When you raise your arm overhead, your shoulder blade is doing a hidden dance. But what happens when that dance goes wrong?