Which myotome pattern is responsible for none function?

The myotome pattern associated with non-function is tied to the S3 nerve root. Myotomes are specific regions of muscles that are innervated by specific spinal nerve roots, and each spinal segment is linked to motor control of distinct muscle groups.

The S3 nerve root contributes to the innervation of muscles that assist in the control of pelvic floor functions and the lower portion of the body. Damage to the S3 level can lead to significant impairments in these functions. Specifically, it can result in issues such as impaired bowel and bladder control, as well as the loss of reflexes related to sexual function, thereby indicating non-functionality in these areas.

Understanding the role of the S3 nerve root is crucial for athletes and healthcare providers, particularly when assessing functional capabilities following injury or during rehabilitation. Identifying deficits associated with the S3 segment helps guide effective treatment strategies to restore function.