A nerve injury can result in the dysfunction of a muscle, or loss of sensation in a particular area in the body. The type and degree of the nerve injury determine the type of treatment that will be required.
Nerves are responsible for connecting your brain and spinal cord to the muscles and skin, that help in movement and feeling. When a nerve injury occurs, it interrupts the information that is conveyed to the skin or muscles from and back to the brain. Some nerves such as the median and ulnar nerves in your arm consist of the motor and sensory fascicles, that give both movement and feeling in your hand.
Peripheral nerves carry commands from the brain to the legs, arms, hands and the feet. These nerves enable people to perform basic movement activities. The peripheral nervous system is a vast network that transmits information from the central nervous system to every other part of the body. Damage to these nerves results in interference with the vital connections of the body.
NERVE INJURIES AFFECTING MAJOR NERVES OF THE FOREARM
Traumatic nerve injuries: There are multiple major nerves present in the arm and forearm. Trauma to these nerves leads to numbness and a decreased mobility of the limb. Surgery in some cases is advised to improve the function of the limb. Such surgery involves the use of donor’s nerves from the leg. Sometimes other methods are used to improve the functioning of the limb, such as tendon transfers.
Nerve compression: Sometimes children may develop nerve compression syndromes that affect the hand and upper limbs. Carpal tunnel syndrome is the most common nerve compression seen in children. However, there are other types nerve compression syndromes that may sometimes benefit from surgery.
NERVE INJURIES AFFECTING THE FINGERS:
The nerves present in the fingers are called digital nerves. They provide the sensory function to the fingertips. Surgery may be required to improve the sensation in the fingers. Such surgery usually requires a period of immobilisation followed by hand therapy for several weeks after the surgery is performed.