Adductor brevis Muscle Anatomy Adductor brevis is a flat, triangular muscle that is found in the inner thigh. Together with the adductor longus, adductor magnus, gracilis, and pectineus muscles, it comprises a group of muscles known as the adductors of the thigh. Origin It originates from the inferior ramus and body of the pubis. Insertion…
Adductor Longus Muscle Anatomy Adductor longus is one of the adductor muscles of the medial thigh. Together with the adductor brevis, adductor magnus, gracilis, and obturator externus, it makes up the adductor compartment. This large fan-shaped muscle is situated most anteriorly of this group and covers the middle part of the adductor magnus and the…
Vastus Intermedius Muscle Anatomy Vastus Intermedius is located centrally, underneath the rectus femoris in the anterior compartment of the thigh and on each side of it: Vastus medialis and Vastus Lateralis respectively. It is one of the four muscles that form the quadriceps femoris muscle. Tensor of Vastus Intermedius is a new muscle that is…
Vastus medialis Muscle Anatomy The vastus medialis (vastus internus or teardrop muscle) is an extensor muscle located medially in the thigh that extends the knee. The vastus medialis is part of the quadriceps muscle group. It is present in the anterior compartment of thigh, and is one of the four muscles that make up the…
Vastus Lateralis Muscle Anatomy The vastus lateralis muscle is located on the lateral side of the thigh. This muscle is the largest of the quadriceps muscle which includes: rectus femoris, vastus intermedius, and vastus medialis. Together, the quadriceps act on the knee and hip to promote movement as well as strength and stability. Origin It…
Rectus femoris Muscle Anatomy The rectus femoris is a key muscle located in the anterior (front) compartment of the thigh. It is one of the four quadriceps muscles, along with the vastus lateralis, vastus medialis, and vastus intermedius. As one of the primary extensors of the knee joint, the rectus femoris plays a crucial role…
Sartorius muscle Muscle details Sartorius derives from the Latin word sartor, meaning tailor, and it is occasionally referred to as the tailor’s muscle. The sartorius muscle is a thin, long, superficial muscle in the anterior compartment of the thigh. It runs down the length of the thigh, runs over 2 joints—hip and knee joints and…
Extensor Pollicis Longus Muscle Anatomy The extensor pollicis longus (EPL) is a thin muscle of the forearm that belongs to the posterior muscle group, lying in the second or deep layer. The extensor pollicis longus (EPL) muscle is an extrinsic thumb muscle that adducts and extends the thumb’s metacarpophalangeal (MCP) and interphalangeal (IP) joints. It…
Extensor pollicis brevis ( EPB) Muscle Anatomy Extensor pollicis brevis (EPB) is one of the muscles of the deep layer of the posterior compartment of the forearm. Along with extensor pollicis longus, it is responsible for extension of the thumb. Along with abductor pollicis longus it passes through the 1st extensor compartment of the wrist….
Abductor Pollicis Longus (APL) Muscle Anatomy The Abductor pollicis longus muscle lies immediately below the supinator and is sometimes united with it. It is found in the posterior compartment of the forearm. It is one of the five deep extensors in the forearm, along with the supinator, extensor pollicis brevis, extensor pollicis longus, and extensor…
