Is modified lithotomy safer than standard lithotomy?

Generally, lower hip flexion angles are associated with less positioning stress, but "safer" depends on the specific procedure and patient. This is a clinical decision for the care team, not a general rule.

Do GStirrups support modified and exaggerated lithotomy, not just standard?

GStirrups are adjustable full-leg-support stirrups intended to accommodate a range of hip flexion and abduction angles. Confirm configuration details for your specific procedure mix with our team.

Who decides which lithotomy variant to use for a given procedure?

The performing clinician, based on procedural requirements, patient anatomy, and institutional protocol.

Modified Lithotomy Position: A Clinical Guide

"Lithotomy position" is often used as if it describes one fixed setup, but in practice it's a family of related positions that differ in hip flexion angle, leg elevation, and abduction. The terminology matters for positioning equipment decisions, because "a stirrup system" needs to accommodate whichever variant your procedures actually use.

This is a general clinical overview, not a substitute for procedure-specific positioning protocols from your specialty society or institution.

Clinical Guide · May 18, 2026 · 5 min read

Standard lithotomy

The reference position: hips flexed to roughly 80–100 degrees, legs abducted and supported in stirrups, buttocks at or near the table edge. This is the default described in most general surgery and OB/GYN references and the baseline most stirrup systems are built around.

Low (or modified) lithotomy

Hip flexion is reduced — legs are elevated less steeply — which is common for procedures needing simultaneous abdominal and perineal access, such as combined laparoscopic-vaginal cases. Modified lithotomy is also frequently used in office-based procedures where full standard-lithotomy elevation isn't necessary or comfortable for the case length involved.

Exaggerated lithotomy

Greater hip flexion than standard, bringing the thighs closer to the abdomen — used when a procedure needs maximum perineal exposure, such as some anorectal and transperineal procedures. Because the hip angle is more extreme, exaggerated lithotomy is generally considered to carry more positioning-related risk and is typically reserved for shorter case segments.

Dorsal lithotomy

A term used somewhat interchangeably with standard lithotomy in many settings, sometimes distinguished by leg support method (boot vs. candy-cane) rather than hip angle. Terminology varies by institution and specialty — confirm what your protocol means by the term in context.

Why position variant matters for equipment

A positioning system that only accommodates one narrow hip-flexion range limits which procedures it can serve. Full-leg-support stirrups that adjust across a range of hip flexion and abduction angles can typically be configured for standard, modified, and exaggerated lithotomy on the same device, which matters for practices running mixed procedure types on the same table.

Frequently asked questions

Is modified lithotomy safer than standard lithotomy?: Generally, lower hip flexion angles are associated with less positioning stress, but "safer" depends on the specific procedure and patient. This is a clinical decision for the care team, not a general rule.
Do GStirrups support modified and exaggerated lithotomy, not just standard?: GStirrups are adjustable full-leg-support stirrups intended to accommodate a range of hip flexion and abduction angles. Confirm configuration details for your specific procedure mix with our team.
Who decides which lithotomy variant to use for a given procedure?: The performing clinician, based on procedural requirements, patient anatomy, and institutional protocol.

Keep exploring

One system, a full range of lithotomy positions

Buy a single unit online for $2,995, or request a 15-minute demo for your practice.

Buy now — $2,995 · Call (786) 633-2503 · Request a demo