Femoral shaft
What it means
The femoral shaft is the long middle part of the thighbone (femur), connecting the hip end to the knee end.
Keeping this strong, dense part of the femur healthy helps support walking, standing, and everyday mobility without injury.
The femoral shaft is the long, tube-shaped middle section of the thighbone, running between the hip and the knee. It's made mostly of dense cortical bone, which gives it the strength to handle the loads of standing, walking, and running. This part of the femur is one of the strongest bones in the body, but it can still break under high-force trauma like car accidents or falls from height.
In older adults, femoral shaft fractures are less common than fractures at the femoral neck or hip, but they can happen with significant falls or, rarely, as atypical fractures linked to long-term use of certain osteoporosis medications. Any unusual thigh pain, especially before a fracture occurs, is worth mentioning to your doctor.
Because the femoral shaft is mostly cortical bone, its strength depends on bone density and the quality of that outer, compact layer. Weight-bearing activity and healthy bone remodeling over your lifetime help maintain this part of the femur, though no single habit guarantees it won't ever break.
The femoral shaft is the long, strong middle part of the thighbone that keeps walking and standing injury-free.
Where this leads
WordThe shaft is just one part of a bigger bone. See how the whole femur, from hip to knee, supports your weight and where it tends to fracture.
Related words
The femur, or thigh bone, is the longest and strongest bone in the body, stretching from the hip to the knee and…
The femoral neck is the angled part of bone joining your hip ball to your thigh bone shaft, and it's the most common…
The femoral head is the rounded, ball-shaped top of the thighbone (femur) that fits into the hip socket to form the…
Cortical bone is the dense, hard outer layer of bone that forms a protective shell and resists bending and twisting…
An atypical femoral fracture is an uncommon break in the shaft of the thigh bone that looks and behaves differently…
A hip fracture is a break at the femoral neck, the narrow part of bone connecting the hip joint ball to the thigh…
Education only, not medical advice. Decisions about tests, medications and treatment belong with your own doctor. OsteoStrong does not diagnose, treat or cure any disease.
