腰痛（ようつう、youtsuう）
- back pain

The Japanese word 腰痛 腰痛 (ようつう - *yōtsū*) directly translates to "lower back pain" or "lumbago" in English. It refers to pain felt in the lower back region of the body. ⚫︎ This pain can range from mild discomfort to severe, debilitating pain. ⚫︎ 腰痛 腰痛 can be caused by various factors, including muscle strains, poor posture, injuries, underlying medical conditions, and lifestyle choices.

⚫︎最近、腰痛がひどくて、困っています。》 ・Translation: "Recently, my lower back pain has been bad, and I'm having trouble." ⚫︎腰痛の原因を調べるために、病院に行きました。》 ・Translation: "I went to the hospital to investigate the cause of my lower back pain." ⚫︎長時間座っていると、どうしても腰痛になります。》 ・Translation: "I inevitably get lower back pain if I sit for long periods."

腰痛 腰痛 is a common and versatile term used to describe lower back pain in various contexts. ⚫︎ It can be used in conversations with friends, family, doctors, or anyone else. ⚫︎ It is appropriate for both formal and informal situations. ⚫︎ You can use it to describe your own pain or to inquire about someone else's.

⚫︎ The word is typically written using kanji and hiragana: 腰痛 腰痛 ⚫︎ The kanji 腰 (*koshi*) means "waist" or "lower back," and the kanji 痛 (*tsū*) means "pain." ⚫︎ The hiragana reading is ようつう (*yōtsū*). ⚫︎ There are no common variations in the okurigana for this word.

There are no perfect synonyms for 腰痛, but related terms include: ⚫︎ 背中の痛み (*senaka no itami*) - back pain (more general, including upper back) ⚫︎ 腰の痛み (*koshi no itami*) - pain in the lower back (similar meaning)

There aren't direct antonyms for 腰痛, as it is a description of a physical condition. However, a state of not having 腰痛 could be expressed as: ⚫︎ 腰の痛みがない (*koshi no itami ga nai*) - "There is no pain in the lower back." ⚫︎ 健康な腰 (*kenkō na koshi*) - "Healthy lower back" (as a general concept).

昨日、重い荷物を運んだせいで、今日はひどい腰痛です。》 ・Translation: "Yesterday, because I carried a heavy load, I have terrible lower back pain today." ・Explanation: This sentence explains that the cause of the lower back pain is carrying a heavy load.

ストレッチをすると、少しは腰痛が楽になります。》 ・Translation: "When I stretch, my lower back pain eases a little." ・Explanation: This sentence shows that stretching helps with the 腰痛.

The word 腰痛 腰痛 is a compound word formed from two kanji: ⚫︎ 腰 (*koshi*) meaning "waist" or "lower back". ⚫︎ 痛 (*tsū*) meaning "pain." The combination literally means "lower back pain."