He is studying the shape of the coracoid bone.

He is immersed in the study of the rostrum bone.

He is a famous osteologist, studying many fossils.

He is doing special exercises to strengthen his tensor fasciae latae.

He trains his biceps at the gym every day.

He does piriformis muscle stretches every day.

He trains his gluteus maximus at the gym every day.

He started exercises to strengthen his gluteus medius muscle.

He exercises every day to strengthen his gluteus minimus muscle.

He is doing special exercises to strengthen his adductors.