Here’s a detailed explanation:
What are lower back dimples?
These are small indentations in the skin located over the joints where the pelvis meets the lower spine (the posterior superior iliac spines). They are a normal anatomical feature.
They occur because:
- The skin is attached more tightly to the underlying pelvic bone by short ligaments.
- There is less tissue between the skin and the bone in this area.
- The dimples are usually present from birth.
Are they genetic?
Yes. Back dimples are primarily inherited.
- They often run in families.
- If one or both parents have them, their children are more likely to have them.
- They are not something you develop through exercise, although weight loss can make them more noticeable.
Do they indicate good health?
Not necessarily.
There is no scientific evidence that having back dimples means you are healthier than someone without them.
They do not indicate:
- Better fitness
- Better bone health
- Higher fertility
- Better muscle strength
They are simply a variation in anatomy.
Why are they considered attractive?
Many cultures consider lower back dimples aesthetically appealing because they:
- Emphasize the waist and hips.
- Become more visible with lower body fat.
- Highlight the natural contours of the lower back.
This is a matter of personal and cultural preference rather than medicine.
Can exercise create them?
No.
Exercise cannot create true Venus dimples because they depend on your bone structure and ligament attachments.
However:
- Building the glute and lower back muscles
- Reducing body fat
can make existing dimples more visible.
Are they related to body fat?
Only partly.
People with lower body fat may have more noticeable dimples.
Someone with more body fat may still have Venus dimples, but they can be hidden beneath the tissue.
Do they have any medical significance?
Usually, no.
For adults, they are considered a completely normal anatomical feature and do not require treatment.
However, there is a different condition in newborns:
- A single dimple in the middle of the lower back (called a sacral dimple) can sometimes be associated with abnormalities of the spinal cord, especially if it is large, deep, or accompanied by other skin changes. Most sacral dimples are harmless, but some babies may need evaluation by a healthcare professional.
This is different from the paired Venus dimples found over the pelvis.
Are they connected to circulation or sexual function?
Some popular articles claim that Venus dimples:
- improve blood circulation,
- indicate higher fertility, or
- are linked to greater sexual responsiveness.
There is no reliable scientific evidence supporting these claims. They are common myths rather than established medical facts.
Can they disappear?
Yes, their appearance can change.
They may become less noticeable with:
- Weight gain
- Aging
- Changes in skin elasticity
They may become more visible with:
- Weight loss
- Increased muscle definition around the hips and lower back
Summary
Two dimples on your lower back are most commonly Venus dimples (or Dimples of Apollo in men). They are:
- A normal anatomical variation.
- Usually inherited.
- Caused by the way the skin is attached to the pelvic bones.
- Harmless and not a sign of disease.
- Often considered aesthetically attractive in many cultures.
- Not an indicator of health, fertility, or athletic ability according to current scientific evidence.
In almost all adults, having two lower back dimples is simply a normal physical trait and does not require any medical attention.