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What nerve causes flexion and supination at the right elbow joint?
The flexor muscles, including the biceps brachii which is both a flexor and supinator, are innervated by the musculocutaneous nerve. The supinator muscle, which assists the biceps brachii in supination, is innervated by the deep branch of the radial nerve.
What is the major nerves serve the most anterior forearm muscle?
The median nerve supplies most of the flexor muscles of the human forearm, and some hand muscles. The ulnar nerve also supplies two flexor muscles, and most of the remaining hand muscles that the median nerve does not cover.
What is the nerve supply of the muscles of facial expression?
The muscles of facial expression are innervated by the facial nerve (cranial nerve VII). This nerve originates in the brainstem and branches out to supply the muscles involved in facial expressions, such as the orbicularis oculi, zygomaticus, and frontalis muscles. Damage to the facial nerve can result in facial muscle weakness or paralysis on the affected side of the face.
What muscle is innervated by the trochlear nerve?
The superior oblique muscles
What muscles are mimetic muscles?
They are facial muscles innervated by the facial nerve that, among other things, control facial expression.
What is the main function of the muscolocutaneous nerve?
The main function of the musculocutaneous nerve is to innervate the muscles in the anterior compartment of the arm, including the biceps brachii muscle. It also provides sensory innervation to the lateral aspect of the forearm.
What would happen if the anterior ramus of the spinal nerve is damaged or transected?
The end organ or muscle innervated by that particular spinal nerve component would atrophy.
Which of the following muscles is innervated by the axillary nerve?
deltoid and teres minor
Which muscles are affected by the right accessory nerve?
The sternocleidomastoid muscle (SCM) and the trapezius muscle are innervated by the accessory nerve (CN XI)
What 2 muscles are innervated by cranial nerve XII besides the 4 intrinsic lingual muscles and the 4 extrinsic lingual muscles?
Geniohyoid & Thyrohyoid as the Hypoglossal nerve is joined by fibers from C1 which supply them
How many nerves to make a smile?
It takes 43 muscles to form a smile, but there are too many nerves involved to provide an exact number. The facial muscles are innervated by the facial nerve (CN VII), which branches out into numerous smaller nerves that control specific movements in the face.
What major nerves serve the anterior thigh?
The major nerves that serve the anterior thigh are the femoral nerve and the obturator nerve. The femoral nerve innervates the quadriceps muscles, while the obturator nerve innervates the adductor muscles of the thigh.
