NERVOUS SYSTEM SPECIAL SENSE
SPINALCORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Finger movement and Knee straightening
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Elbow bending and Finger Movement
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Extends Toes and Wrist Extension
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Control of the chest and diaphragm movement
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Detailed explanation-1: -A C8 spinal cord injury refers to damage at the nerve roots between the C7 and T1 vertebrae. While individuals with C8 spinal cord injuries generally can control movement in their arms, they may experience weakness and loss of sensation in the hands, trunk, and lower body.
Detailed explanation-2: -The C8 nerve contributes to the motor innervation of many of the muscles in the trunk and upper limb. Its primary function is the flexion of the fingers, and this is used as the clinical test for C8 integrity, in conjunction with the finger jerk reflex.
Detailed explanation-3: -A T6 spinal cord injury can affect motor control and sensation from the top of the abdomen down. Luckily, T6 spinal cord injury patients usually have normal upper extremity functions; therefore, control of the head, neck, shoulders, arms, hands, and chest are often unaffected.
Detailed explanation-4: -General Effects of Injury to Thoracic Spinal Cord Nerves – T-1 to T-5. Injuries usually affect the abdominal and lower back muscles and the legs, typically resulting in paraplegia. Arm and hand function is usually normal.