06/06/2026
This image illustrates the relationship between the cervical spine (C5–T1 nerve roots) and upper-limb function.
The central anatomy shows the cervical vertebrae and spinal nerves, highlighting how nerve irritation or compression can affect the shoulders, arms, hands, and fingers.
Symptoms may include shoulder weakness, triceps fatigue, reduced pushing strength, thumb tension, grip weakness, impaired finger control, and loss of hand coordination.
The infographic also emphasizes postural changes, including forward head posture, flattening of the normal cervical curve, and increased nerve tension.
Overall, it demonstrates how cervical spine dysfunction can contribute to neurological and muscular symptoms in the upper extremities.
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