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What is the function of the sternocleidomastoid?
Function. Rotation of the head to the opposite side or obliquely rotate the head. It also flexes the neck. When acting together it flexes the neck and extends the head.
What movement does the sternocleidomastoid muscle perform?
The sternocleidomastoid muscle is one of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. The sternocleidomastoid is innervated by the accessory nerve.
What is Sternocleidomastoid syndrome?
Definition of Sternocleidomastoid Syndrome An acute or chronic condition of neck stiffness with decreased mobility (especially rotation), sometimes accompanied by neck pain or pain in body areas distant from the neck (eyes, temples, throat, ears, nose, shoulders…), nausea, tinnitus, vertigo and torticollis.
What is the sternocleidomastoid attach to?
The sternocleidomastoid (SCM) muscle is a major muscle of the neck. Classically, this muscle is attached below the sternum and clavicle, although the mode of attachment might vary.
How do I strengthen my Sternocleidomastoid?
Sternocleidomastoid pain exercises and stretches
- Sit or stand facing forward.
- Exhale and slowly turn your head to the right, keeping your shoulders relaxed and down.
- Inhale and return to center.
- Exhale and turn to look over your left shoulder.
- Do 10 rotations on each side.
Why does Sternocleidomastoid hurt?
Causes of SCM pain can include chronic health conditions, such as asthma, and acute respiratory infections, such as sinusitis, bronchitis, pneumonia, and the flu. Other causes of SCM pain include: injuries such as whiplash or falls. overhead work such as painting, carpentry, or hanging curtains.
What would happen if there were nerve damage to the sternocleidomastoid?
Interruption of the nerve supply to the sternocleidomastoid muscle results in an asymmetric neckline, while weakness of the trapezius muscle can produce a drooping shoulder, winged scapula, and a weakness of forward elevation of the shoulder.
Can sternocleidomastoid muscle cause throat pain?
The clavicular division of SCM trigger points can produce pain over the forehead and around the ipsilateral eye, over the cheek, the tip of the chin, sternoclavicular joint and deep in the throat upon swallowing.
Can sternocleidomastoid muscle cause jaw pain?
Sternocleidomastoid (scm) muscle pain typically brings complaints of dizziness or sudden hearing loss, headache or jaw pain, even when everything appears to be normal. If this is the case it might be time to consider a muscular or mechanical reason for the symptoms.
Why is my Sternocleidomastoid swollen?
What does the sternocleidomastoid muscle do?
Anatomical terms of muscle. The sternocleidomastoid muscle is one of the largest and most superficial cervical muscles. The primary actions of the muscle are rotation of the head to the opposite side and flexion of the neck. The sternocleidomastoid is innervated by the accessory nerve.
What does sternocleidomastoid mean?
sternocleidomastoid – one of two thick muscles running from the sternum and clavicle to the mastoid and occipital bone; turns head obliquely to the opposite side; when acting together they flex the neck and extend the head. musculus sternocleidomastoideus , sternocleido mastoideus, sternocleidomastoid muscle.
What is the antagonist muscle to the sternocleidomastoid?
Not Medical Advice: The antagonist muscle of the sternocleidomastoid (SCM) is the ‘splenius capitis’. The splenius capitis muscle connects back of the skull to the neck vertebrae.
What is mastoid muscle?
The mastoid part has a rough outer surface that gives rise to the occipital belly of occipitofrontalis muscle, which covers the skull from the superior nuchal line to the mastoid process. This muscle is innervated by the posterior auricular branch of the facial nerve (cranial nerve VII).