Introduction The zygomaticus major muscle is also a muscle of the human body. It extends from each of the zygomatic arch (cheekbone) to the corners of the mouth. It is a muscle of facial expression which marks the angle of the mouth superiorly and also posteriorly to allow one to smile. The bifid zygomaticus major…
Introduction The depressor labii inferioris is a facial muscle that permits you to pull your lower lip down or to the side. While this muscle has very limited action on its own, it plays an important role in the complex structure of facial muscles that allow us to make such detailed and specific facial expressions….
Introduction The levator labii superioris muscles, also known as the quadratus labii, contribute to facial expression and action of the mouth and upper lip. It courses alongside the lateral aspect of the nose, and its preliminary function is the elevation of the upper lip. It is also implicated in movements such as expressions of disgust,…
Introduction Depressor anguli oris muscles is a paired triangular muscle that expands from the mental tubercle of the mandible to the angle of the mouth. It belongs to the buccolabial group of facial muscles also with levator labii superioris alaeque nasi, levator labii superioris, zygomaticus major, zygomaticus minor, levator anguli oris, risorius, depressor labii inferioris…
Introduction The superior oblique is one of the two significant oblique extraocular muscles. These muscles are distinctive in that they do not originate from the common tendinous ring, have an angular attachment to the eyeball, and connect to the posterior aspect of the eyeball. The superior oblique function explicitly moves the eye in the down-and-out…
Introduction Latin musculus depressor supercilii Anatomical terms of muscle : The depressor supercilii muscle is found near the eye, and it’s thought to assist in moving and lowering the eyebrow. Also, it’s thought to assist in moving the glabella, which is the skin above the nose and between the eyebrows. The depressor supercilii is an…
Introduction Extraocular muscles are essential for ocular movement. The four rectus muscles, superior oblique muscle, and inferior oblique work in conjunction to move the eyes in every direction. The inferior oblique is a thin, narrow eye muscle and belongs to the group of six extraocular muscles or the orbit’s extrinsic muscles. The inferior oblique muscle…
Introduction The levator palpebrae superioris originates from an inferior surface of the lesser wing of the sphenoid bone, just above an optic foramen. It enlarges and decreases in thickness (becomes thinner) and becomes the levator aponeurosis. This portion is inserted on the skin of the upper eyelid, as well as the superior tarsal plate. It…
What is the Occipitofrontalis Muscle? Occipitofrontalis is a scalp muscle that is long and wide muscle. This muscle and the temporoparietalis are both the epicranial group of the facial expression muscles. The muscles of facial expression enable the face to perform different unique movements, from smiling and frowning to raising one or both eyebrows in…
List of Body muscles are nearly 600 muscles. The three main types of muscles – skeletal, smooth and cardiac. Here we Update List of Skeletal Body Muscles. LIST OF BODY MUSCLES IN HEAD AND NECK MUSCLES LIST Origin Insertion Nerve Function / Action occipitofrontalis 2 occipital bellies and 2 frontal bellies galea aponeurotia facial nerve…
