Abductor pollicis brevis muscle

This video tutorial discusses the abductor pollicis brevis muscle, part of the thenar musculature on the radial side of the palm. It details the muscle's origin, attachment, and function, including its role in thumb abduction and flexion. The tutorial also highlights the muscle's innervation by the median nerve. Additional resources for further learning are provided.

What is the significance of the thenar eminence in relation to the abductor pollicis brevis?

What movements can the abductor pollicis brevis muscle perform?