top of page
Spry Juncture, LLC
How to Evolve Gracefully
External Urethral Sphincter
Region
Origin & Insertion
Encircles urethra; anchored to perineal membrane
Synergistic Muscles
Levator ani, Compressor urethrae (♀)
Joints
Urethral canal
Primary Actions
Voluntary closure of urethra; maintains continence
Nerve & Spinal Segment
Perineal branch of pudendal nerve
Sacral plexus; S2–S4
Interesting
Striated muscle under voluntary control. [Clinically Oriented Anatomy]
Reversal of Action
Stabilize pelvic floor while moving trunk
Common Dysfunctions
Stress urinary incontinence
How to Stretch
Pelvic floor relaxation with breath focus
Trigger Points
How to Strengthen
Quick flicks (fast contractions)
Concentric Action
Close urethra voluntarily
Applications:
Key in stress incontinence rehab and core-bladder training
Eccentric Action
Control release of urinary control
Isotonic Action
Contract-release cycles for bladder control
Related Conditions
Stress incontinence, post-prostatectomy or postpartum weakness
Isometric Action
Hold mid-flow contraction (Kegel mimic)
Exercise Ideas
Bladder Health, Core Control, Female & Male
Related Blogs
Images
Videos
bottom of page