骨盤(こつばん)

こつばん
noun
pelvis
1. pelvis
The bony structure at the base of the spine that supports the torso and connects to the legs. Important for posture, walking, and in women, childbirth.
骨盤(こつばん)の歪(ゆが)みを矯正(きょうせい)した。
I had my pelvic misalignment corrected.
産後(さんご)は骨盤(こつばん)が開(ひら)いている。
After childbirth, the pelvis is widened.
骨盤(こつばん)ベルトで腰痛(ようつう)を予防(よぼう)する。
I use a pelvic belt to prevent lower back pain.

Anatomy

The 骨盤(こつばん) consists of:

  • 腸骨(ちょうこつ): ilium
  • 恥骨(ちこつ): pubis
  • 坐骨(ざこつ): ischium
  • 仙骨(せんこつ): sacrum

Common terms

  • 骨盤矯正(こつばんきょうせい): pelvic adjustment
  • 骨盤底筋(こつばんていきん): pelvic floor muscles
  • 骨盤(こつばん)ベルト: pelvic belt/support

Health context

  • Often discussed in relation to posture and back pain
  • Important in prenatal and postnatal care
  • Popular topic in Japanese health/beauty media

Gender differences

Women's 骨盤(こつばん) is typically wider and shallower than men's to accommodate childbirth.

Related Words

Related: 肋骨(ろっこつ) (ribs)
Related: 尾骨(びこつ) (coccyx)
Related: 臀部(でんぶ) (buttocks)
general
Added 2026.1.17 2:27 · Revised 2026.9.2 12:02
05500/05963_kotsuban