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Which of the following muscles is innervated by the axillary nerve?
deltoid and teres minor
Name the major nerves the serve the following body areas deltiod muscle?
The deltoid muscle is primarily innervated by the axillary nerve, which originates from the brachial plexus.
Which nerve supplies the deltoid muscle?
Axillary nerve C5 and C6, a branch of the posterior chord of the brachial plexus
What is the Sensory pattern of the skin for the axillary nerve?
Its sensory distribution is the skin overlying the deltoid muscle.
What are the major plexus and nerves tht serve the deltoid muscle?
Brachial plexus thru axillary nerve
Which plexus has the primary responsibility for innervating the deltoid?
The axillary nerve, which arises from the brachial plexus, is primarily responsible for innervating the deltoid muscle. It provides motor innervation to the deltoid muscle, controlling its function of shoulder abduction.
Why injections are given at deltoid?
To prevent injury to axillary nerve, which is located in the relatively upper part of deltoid.
If the axillary nerve was damaged what muscle would be at risk of paralysis or atrophy?
Axillary nerve supplies the deltoid and the teres minor mucsles. So you wouldn't be able to abduct your arm otherwise. It is also the lateral cord of the brachial plexus.
What are some causes of deltoid muscle pain?
The axillary nerve, which orginates from root C7 of the brachial plexus, innervates the deltoid . The radial nerve also orginates off the same cord. So, it may be linked to your cervical spine, or the deltoid muscle compressing the nerve.
What causes pain in the back of the shoulder?
The most common cause of nerve endings to the shoulder results from a proximal humerus fracture. Running circumferential to the proximal end of the humerus is the axillary nerve. Injury to the humerus such as fractures or subluxation can directly injure the axillary nerve resulting in possible sensation loss or muscle weakness around the deltoid, teres minor and triceps muscle. Other causes of injury: - Injections (for e.g. cortisone) and vaccinations: if given too high in the anterior (front part) aspect of the deltoid, may result in the rupture of the axillary nerve
Which muscle is innervated by the phrenic nerve?
Diaphragm
Is the orbicularis oculi muscle innervated by the facial nerve?
Yes
