Search results
21 kwi 2024 · The median nerve is responsible for the cutaneous innervation of part of the hand. This is achieved via two branches: Palmar cutaneous branch – arises in the forearm and travels into the hand. It innervates the lateral aspect of the palm.
- Ulnar Nerve
Motor Functions. The ulnar nerve innervates muscles in the...
- Hand
Intrinsic muscles – located within the hand itself. They are...
- Ulnar Nerve
27 wrz 2024 · Intrinsic muscles – located within the hand itself. They are responsible for the fine motor functions of the hand. In this article, we shall look at the anatomy of the intrinsic muscles of the hand – their attachments, actions and innervation.
4 paź 2024 · Motor Functions. The ulnar nerve innervates muscles in the anterior compartment of the forearm, and in the hand. Anterior Forearm. In the anterior forearm, the muscular branch of the ulnar nerve supplies two muscles: Flexor carpi ulnaris – flexes and adducts the hand at the wrist.
13 lis 2023 · The nerves of the hand and wrist originate from the structure called the brachial plexus which is located proximally in the root of the neck and axillary region. This plexus is formed from the combination of the anterior rami of the spinal nerves C5-T1 and is responsible for motor and sensory innervation of the upper limb.
5 lip 2023 · The superficial branch of the ulnar nerve supplies sensory innervation to the anterior aspect of the ulnar 1½ digits (little finger and half of the ring finger) and medial palmar skin. Additionally, it provides motor innervation to the palmaris brevis muscle in the hypothenar region of the hand. It arises from the ulnar nerve just distal to ...
Alpha motor neurons (also called lower motor neurons) innervate skeletal muscle and cause the muscle contractions that generate movement. Motor neurons release the neurotransmitter acetylcholine at a synapse called the neuromuscular junction.
Introduction. The hand contains a number of joints that allow complex actions, such as manipulating, gripping and grasping objects. Optimal hand function requires adequate strength, sensation, range of motion, and dexterity.
