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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 muscles innervated by ulnar nerve?
The ulnar nerve innervates several muscles in the forearm and hand. In the forearm, it primarily innervates the flexor carpi ulnaris and the medial half of the flexor digitorum profundus. In the hand, it innervates most of the intrinsic muscles, including the hypothenar muscles, the adductor pollicis, and the interossei muscles, as well as the medial two lumbricals. This nerve plays a crucial role in fine motor control and grip strength.
What three muscles are innervated by nerves?
Three muscles that are innervated by specific nerves include the biceps brachii, which is innervated by the musculocutaneous nerve; the quadriceps femoris, innervated by the femoral nerve; and the diaphragm, which is innervated by the phrenic nerve. Each of these nerves plays a crucial role in controlling muscle movement and function.
What is the nerve supply of the muscles of facial expression?
The facial muscles are innervated by facial nerve (cranial nerve VII). In contrast, the nearby masticatory muscles are innervated by the mandibular nerve, a branch of thetrigeminal nerve (V).
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
