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Superficial Transverse Perineal

Region

Origin & Insertion

Origin: Ischial tuberosity; Insertion: Perineal body

Synergistic Muscles

Bulbospongiosus, External anal sphincter

Joints

None

Primary Actions

Stabilizes perineal body and supports pelvic floor

Nerve & Spinal Segment

Perineal branch of pudendal nerve

Sacral plexus; S2–S4

Interesting

Helps anchor central tendon of perineum. [Gray’s]

Reversal of Action

Lift pelvic base via hip bridge

Common Dysfunctions

Perineal instability, postpartum pelvic floor weakness

How to Stretch

Deep supported squat with pelvic breathwork

Trigger Points

How to Strengthen

Kegels with focus on posterior sling

Concentric Action

Stabilize perineal body

Applications:

Supports pelvic body in postpartum and post-op recovery

Eccentric Action

Control return from tension

Isotonic Action

Kegels with pelvic floor cues

Related Conditions

Episiotomy trauma, pelvic organ prolapse

Isometric Action

Hold base tension with breath

Exercise Ideas

Stability, Birth Recovery, Pelvic Health

Related Blogs

Images

Videos

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