He is doing a special exercise to strengthen his extensor carpi radialis brevis.

The extensor carpi radialis longus is a part of the arm muscles and helps in the movement of the wrist.

He is doing special exercises to strengthen his dorsal interosseus muscle.

The plantar interosseus muscle is a part of the foot muscles and controls the movement of the toes.

The rectus capitis lateralis muscle is part of the neck muscles, and it helps to move the head sideways.

There is a specific rule in this game.

Her contours were beautiful, capturing the heart of the artist.

Strontium is one of the elements abundantly present in the earth's crust.

The top quark is the heaviest quark in particle physics.

This bacterium is about 1 micrometre in size.