Forearm, an essential component of the upper limb, helps to carry out most activities, from typing to lifting weights. It is responsible for movements like flexing, extending, and rotating. The forearm is a common area for injuries and strains due to overwork at the workplace or during sports activities. Some synonyms for the word forearm are lower arm, antebrachium, or cubitus. In the medical field, the forearm can be referred to as the ulna or radius. In anatomy, the forearm can be further divided into the distal, medial, and proximal regions. Knowing these synonyms helps to better describe and diagnose any issues or injuries related to the forearm.