What is the pathway of the brachial plexus?
The brachial plexus passes from the neck to the axilla and supplies the upper limb. It is formed from the ventral rami of the 5th to 8th cervical nerves and the ascending part of the ventral ramus of the 1st thoracic nerve. Branches from the 4th cervical and the 2nd thoracic ventral ramus may contribute.
What is the lumbosacral plexus?
Definition: The lumbosacral plexus is a network of nerves derived from lumbar and sacral roots with each one of them dividing into anterior and posterior branches. The anterior branches supply the flexor muscles of thigh and leg and posterior branches supply the extensor and abductor muscles.
What is obturator nerve?
The obturator nerve arises from the lumbar plexus and provides sensory and motor innervation to the thigh. This nerve provides motor innervation to the medial compartment of the thigh and as a result, is essential to the adduction of the thigh.
How many brachial plexus are there?
The brachial plexus is divided into five roots, three trunks, six divisions (three anterior and three posterior), three cords, and five branches….Branches.
| From | lateral cord |
|---|---|
| Nerve | musculocutaneous nerve |
| Roots | C5, C6, C7 |
| Muscles | coracobrachialis, brachialis and biceps brachii |
What branch of the spinal nerves forms plexus?
Iliohypogastric Nerve. The iliohypogastric nerve is the first major branch of the lumbar plexus.
What do brachial plexus injuries affect?
Other conditions, such as inflammation or tumors, may affect the brachial plexus. The most severe brachial plexus injuries usually result from auto or motorcycle accidents. Severe brachial plexus injuries can leave your arm paralyzed, with a loss of function and sensation.
Where is the brachial area?
The brachial plexus is a network of nerves between the neck and shoulder. Their branches form the nerves that go into the arm, forearm and hand. These nerves can be damaged by stretching, pressure or cutting. Stretching can occur when the head and neck are forced away from the shoulder, such as during a motorcycle fall or car accident.
What is the meaning of brachial?
The term brachial refers to anything related to the upper arm, meaning the portion of the limb situated between the joints of the shoulder and elbow.