The larynx receives its nerve supply from the vagus nerve (cranial nerve X). Specifically, the recurrent laryngeal nerve innervates the intrinsic muscles of the larynx involved in phonation, while the external branch of the superior laryngeal nerve supplies the cricothyroid muscle.
The sacral plexus supplies motor movement to the posterior of the legs and thighs. It is formed by the lumbosacral spinal nerves and gives rise to nerves like the sciatic nerve, which innervates many muscles in this region.
The trapezius and sternocleidomastoid muscles would be affected if the right accessory nerve was severed. These muscles may show signs of atrophy due to the loss of nerve supply, leading to weakness and decreased function in shoulder movement and head rotation.
If the sciatic nerve is severed, the muscles controlled by it would be affected. These include the muscles of the lower leg and foot, such as the hamstrings, calf muscles, and muscles that control movement of the foot and toes. Injury to the sciatic nerve can result in weakness or paralysis of these muscles on the affected side.
A lack of elbow reflex can indicate a potential issue with the nerve supply to the muscles in the arm or a problem with the specific reflex arc involving the radial nerve. This could be due to conditions such as nerve damage, compression, or neurological disorders that may require further evaluation by a healthcare professional.
you lose intervation (nerve supply) to the muscles. so yes. you lose intervation (nerve supply) to the muscles. so yes.
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.
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The muscle will atrophy.
Numbness or pain in the FOOT or in the calf of your leg
Because the nerve supply for muscles are mixed
The sural nerve (short saphenous nerve), formed by the junction of the medial sural cutaneous with the peroneal anastomotic branch of the lateral sural cutaneous nerve, passes downward near the lateral margin of the tendo calcaneus, lying close to the small saphenous vein, to the interval between the lateral malleolus and the calcaneus. It runs forward below the lateral malleolus, and is continued as the lateral dorsal cutaneous nerve along the lateral side of the foot and little toe (via a dorsal digital nerve), communicating on the dorsum of the foot with the intermediate dorsal cutaneous nerve, a branch of the superficial peroneal It's the calf.
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The sciatic nerve is the major nerve that innervates the extensor muscles of the leg, particularly the tibialis anterior muscle. It is a large nerve that branches into the common fibular nerve and the tibial nerve, both of which supply various muscles in the leg.
Geniohyoid & Thyrohyoid as the Hypoglossal nerve is joined by fibers from C1 which supply them
The larynx receives its nerve supply from the vagus nerve (cranial nerve X). Specifically, the recurrent laryngeal nerve innervates the intrinsic muscles of the larynx involved in phonation, while the external branch of the superior laryngeal nerve supplies the cricothyroid muscle.
Facial nerve, the seventh cranial nerve. It leaves the brain along with eighths cranial nerve through internal acoustic meatus and comes out through stylomastoid foramen to supply the muscles of facial expression.