He is doing special exercises to strengthen his abductor pollicis brevis.

My mother is my best friend.

My mother is cooking now.

My mother is my best friend.

Mommy, I'm hungry.

My mother is my first teacher.

My mother is my first teacher.

My mother is my first teacher.

My mother makes a lunch box for me every day.

He is doing special exercises to strengthen his flexor digitorum superficialis.