Articles

General information The transversus abdominis is a broad muscular sheet situated on both the lateral sides of the abdominal wall. This muscle, along with the external abdominal oblique and the internal abdominal oblique, make up the lateral...

General information The trapezius is a superficial muscle extending longitudinally out of the occipital bone and to the lower thoracic vertebrae and to the scapula’s spine laterally. Its primary functions are to support the arm and...

General information The triceps brachii is a relatively large muscle located on the arm, running down the back of the humerus and ending at the top of the ulna. This muscle has the primary responsibility for extending the elbow joint. It is...

General information The zygomaticus minor muscle is one that controls facial expressions. It originates from the malar bone and continues along with the orbicularis oculi found on the lateral face for the levator labii superioris. It is...

General information The zygomaticus major muscle is located within the face and draws the angles of the mouth posteriorly and superiorly. Like all the muscles that control facial expression, the zygomaticus major is innervated from the...

General information This muscle arises out of the lateral and front surfaces of the body for the femur within the upper two-thirds. It sits under the rectus femoris and the lower portion of the lateral intermuscular septum. The fibres end...

General information The vastus lateralis is the largest part of the quadriceps femoris. It rises from a broad aponeurosis tendon, which covers the upper three-quarters of the muscle. The muscle arises from several areas of the femur: the...

General information The semimembranosus muscle is located in the back of the thigh. Out of the three hamstring muscles, it is the most medial. Literal meaning Half skin. Interesting information Most of the time, an injury to this muscle...

General information As the longest muscle in the body, the Sartorius muscle is a long, thin muscle running down the length of the thigh, amongst the anterior compartment. The upper portion forms the lateral border for the femoral triangle....

General information The Semispinalis capitis is found at the upper back portion of the neck, medial to the longissimus, capitis and cervicis and deep to the splenius. This muscle is part of the transversospinales muscle group. The muscle...

General information The Semispinalis thoracis muscle consists of narrow, thin, fleshy fascicule that is interposed between the surrounding tendons of considerable length. It erupts from a series of small tendons out of the transverse...

General information This muscle arises out of a series of tendinous and fleshy fibres out of the transverse processes for the upper five to six vertebrae. It is inserted into the cervical spinal processes out of the axis and to the fifth...