He accidentally pricked his hand on a thorn.

A shrub with thorns is surrounding the garden.

He is receiving treatment for tuberculous dactylitis.

He is doing special exercises to strengthen his spinalis muscle.

It looked like he had a bony spine on his back.

Echinoderms are a type of marine life, many of which have star-shaped bodies.

He started a special exercise to train his infraspinatus muscle.

He is doing special exercises to strengthen his supraspinatus muscle.

He is suffering from muscle pain in his semispinalis muscle.

The semispinalis capitis muscle is a part of the neck muscles, helping to tilt the head backwards.