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External Urethral Sphincter
Anatomical Info
Muscle Characteristics:
Nerve:
Nerve
System
Spinal Plexus
Division
Trunk
Branch
Roots
Perineal
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Spinal
Coccygeal Plexus
S2, S3, And S4
Description
The external urethral sphincter muscle is a circular muscle located around the urethra. It is composed of two layers: the outer involuntary layer and the inner voluntary layer.

The main function of the external urethral sphincter muscle is to control the release of urine from the bladder. It does this by contracting and relaxing to regulate the opening and closing of the urethra. The external urethral sphincter muscle also plays a role in maintaining continence and preventing the involuntary loss of urine.

The external urethral sphincter muscle is commonly used in activities that involve the release of urine, such as urination. It is also used in activities that require maintaining continence, such as running or jumping.

Targeted Muscle Exercises

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Muscle Engaging Sports

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