Rectus Capitis Anterior Muscle What is Rectus Capitis Anterior Muscle? Rectus capitis anterior muscle is 1 of the deeper neck muscles whose primary function is to flex the head on the neck at the atlantooccipital joint. This short strap muscle relates to the group of anterior vertebral muscles combined with the longus colli, longus capitis & the rectus capitis lateralis muscles. The anterior or the lateral neck…
Rectus Capitis Posterior Minor Muscle What is Rectus Capitis Posterior Minor Muscle? Rectus capitis posterior minor muscle is a coupled or paired muscle situated in the suboccipital compartment or area of the neck. It is the portion of the suboccipital muscle group which comprises 4 muscles in total, the other 3 being rectus capitis posterior major, obliquus capitis inferior or the obliquus capitis superior….
Obliquus Capitis Superior Muscle What is Obliquus Capitis Superior Muscle? Obliquus capitis superior, or superior oblique, is a tiny coupled/paired muscle situated deeper in the upper cervical region, at the base of the occipital bone. It is 1 of the 4 muscles that comprise the suboccipital muscles group together with the rectus capitis posterior major, rectus capitis posterior minor, or the obliquus capitis…
What is the Semispinalis muscle? The semispinalis muscle relates to the transversospinalis muscles. The transversospinalis muscle group is a very deeper layer of muscles situated on either side of the spine. The semispinalis muscle is: The most superficial/upper layer of this muscle part. The bigger muscle mass is in the posterior part of the neck. It is responsible for…
What is Splenius Muscle? Splenius Capitis Muscle What is Splenius Capitis Muscle? In relation to its surrounding musculature, it sits: Relations Of Splenius Capitis Muscle Origin Insertion Nerve Supply Blood Supply Action The function of Splenius Capitis Muscle Clinical Significance of Splenius Capitis Muscle Splenius cervicis Muscle What is the Splenius Cervicis Muscle? Origin Insertion…
What is Trapezius Muscle? Relations of Trapezius Muscle Origin of trapezius muscle The trapezius muscle has different starting points along the midline of the posterior neck & back. Insertion of trapezius muscle Nerve Supply Blood Supply The vascular supply to the trapezius varies depending on the level. Action of trapezius muscle The function of the…
What is Scalene Muscle? Anterior Scalene Muscle What is Anterior Scalene Muscle? Relations of Anterior Scalene Muscle Origin Insertion Nerve Supply Blood Supply Action The function of the Scalene Anterior Muscle Scalenus medius muscle What is Medius Scalene Muscle? Relations of medius Scalene Muscle Origin Insertion Nerve Supply Blood Supply Action The function of Scalene…
What is Subclavius Muscle? Origin of Subclavius Muscle Insertion of Subclavius Muscle Nerve Supply Blood Supply Action of Subclavius Muscle Variation of the Subclavius Muscle The function of the Subclavius Muscle Clinical Significance of the Subclavius Muscle costoclavicular syndrome Subclavius Stretching Seated Clavicle Stretch Exercise for Subclavius Muscle Alternating floor press exercise laying on the…
What is Platysma Muscle? The platysma is a thin sheet-like muscle that is situated superficially within the anterior aspect of the neck. It begins in the upper thoracic & shoulder regions from a fascia that covers the pectoralis major & deltoid muscles. Its fibers ascend upper medially over the anterolateral aspect of the neck, to join to the mandible & the skin & subcutaneous tissue of the lower face. Unlike…
What are Infrahyoid Muscles? Infrahyoid muscles are also termed “strap muscles” which connect the hyoid, sternum, clavicle, & scapula. They are situated under the hyoid bone on the anterolateral surface of the thyroid gland & are involved in motions of the hyoid bone & thyroid cartilage during vocalization, swallowing, & mastication. They are composed of 4 paired muscles, organized into 2 layers as follows:…
