Adductor longus is a muscle located in the upper thigh region of the body. There are several synonyms that can be used to refer to this muscle, including the femoral adductor, thigh-adductor, adductor magnus longus, adductor femoris, and adductor major. The adductor longus muscle is responsible for bringing the leg inwards, towards the midline of the body, and stabilizing the hip joint during movements such as walking, running, and jumping. It is also one of the primary muscles that are used during exercises such as squats, lunges, and leg presses. Understanding the synonyms for the adductor longus muscle can help to improve communication between healthcare professionals and patients.