The brachial plexus is a network of nerves (nerve plexus) formed by the anterior rami of the lower four cervical nerves and first thoracic nerve (C5, C6, C7, C8, and T1).

2024年3月27日 · The brachial plexus is the group of nerves that sends signals from the spinal cord to the shoulder, arm and hand. A brachial plexus injury happens when these nerves are stretched, squeezed together, or in the most serious cases, ripped apart or …

2025年2月10日 · The brachial plexus is a network of nerve fibres that supplies the skin and musculature of the upper limb. It begins in the root of the neck, passes through the axilla, and runs through the entire upper extremity.

2023年11月3日 · The brachial plexus is a network of nerves that gives rise to all the motor and sensory nerves of the upper extremity. This plexus arises from the anterior rami of spinal nerves C5-T1 that undergo several mergers and splits into trunks and divisions, until they finally give rise to their terminal branches.

2024年10月16日 · A brachial plexus injury involves sudden damage to the network of nerves that branch off from your spinal cord in your neck and extend down your shoulder and arm.

Brachial plexus injuries typically stem from trauma to the neck, and can cause pain, weakness and numbness in the arm and hand. Brachial plexus injuries often heal well if they aren’t severe. Many people with minor brachial plexus injuries recover …

The brachial plexus is responsible for cutaneous and muscular innervation of the entire upper limb, with two exceptions: the trapezius muscle innervated by the spinal accessory nerve (CN XI) and an area of skin near the axilla innervated by the intercostobrachial nerve.