Introduction : The superior rectus is one of the 7 extraocular muscles. There is a total of 4 rectus muscles, 2 oblique muscles, and the levator palpebrae superioris. The superior rectus is one of the 4 rectus muscles, which also include the superior rectus, the medial rectus, and the lateral rectus. The oblique muscles are…
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 The stapedius muscle is a muscle within the ear that support the stapes bone of the inner ear. It’s the very small skeletal muscle in the body. It plays an important role in hearing. It is Shaped like a sickle, the stapedius muscle is also described as the smallest skeletal muscle in the human…
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…
Muscles of the chest are referred to as “Pecs” muscles. These muscles are Pectoralis Major, Pectoralis minor, Serratus Anterior, and Subclavius. Chest muscles connect the front of the human chest with the bones of the upper arm and shoulder. The pectoral region has four muscles that create movements to the upper limbs or ribs. Pectoralis…
What is deltoid muscle? The Deltoid muscle is a broader, triangular shape shoulder muscle. The deltoid muscle is called based on the shape of the Greek letter ‘delta’ (Δ). The Deltoid muscle is situated at the rounded contour of the shoulder. It is also popular as the ‘common shoulder muscle. The whole deltoid muscle begins…
What is the pectoralis major muscle? The pectoralis major muscle is a broader, fan-molded, or 3-sided focalized muscle, situated at the chest of the human body. It is made up of the majority of the chest muscles & lies beneath the breast. The pectoralis major is the pectoralis minor, a flimsy, 3-sided muscle. The pectoralis…
