Lesser trochanter
The lesser trochanter (small trochanter) of the femur is a conical eminence, which varies in size in different subjects.
| Lesser trochanter | |
|---|---|
 Left hip-joint, opened by removing the floor of the acetabulum from within the pelvis. | |
 Upper extremity of right femur viewed from behind and above. | |
| Details | |
| Insertions | Psoas major, Iliacus |
| Identifiers | |
| Latin | trochanter minor |
| TA | A02.5.04.007 |
| FMA | 32853 |
| Anatomical terms of bone | |
Structure
It projects from the lower and back part of the base of the femur neck.
From its apex three well-marked borders extend:
- two of these are above
- a medial continuous with the lower border of the femur neck
- a lateral with the intertrochanteric crest
- the inferior border is continuous with the middle division of the linea aspera
The summit of the trochanter is rough, and gives insertion to the tendon of the Psoas major and the Iliacus.
Clinical significance
It can be involved in an avulsion fracture.[1]
Additional images
Right femur. Posterior surface.
Right hip-joint from the front.
Capsule of hip-joint (distended). Posterior aspect.
Hip joint. Lateral view. Lesser trochanter
Muscles of Thigh. Anterior views.
See also
References
This article incorporates text in the public domain from page 245 of the 20th edition of Gray's Anatomy (1918)
- Khoury JG, Brandser EA, Found EM, Buckwalter JA (1998). "Non-traumatic lesser trochanter avulsion: a report of three cases". Iowa Orthop J. 18: 150–4. PMC 2378165. PMID 9807723.
External links
- Anatomy figure: 13:01-11 at Human Anatomy Online, SUNY Downstate Medical Center
- lljoints at The Anatomy Lesson by Wesley Norman (Georgetown University) (hipjointanterior, hipjointposterior)
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