How many metacarpals are in one hand?

Each human hand contains five metacarpal bones, which are the long bones located in the middle of the hand. These bones connect the wrist bones (carpals) to the finger bones (phalanges), playing a crucial role in hand structure and function. The metacarpals enable various hand movements, including gripping and manipulating objects, by providing attachment points for muscles and tendons. Understanding the anatomy of the hand, including the metacarpals, is essential for estheticians, as it helps in providing services that may involve hand and upper limb treatments or massage techniques.