Here are a few descriptions for the WordPress post tag “筋骨” (jīng gǔ, meaning “muscles and bones” in Traditional Chinese), catering to different levels of clarity and focus:

**Option 1 (Concise & Functional):**

> **Description:** 關於肌肉與骨骼的文章。

> **Translation:** Articles related to muscles and bones.

**Option 2 (Slightly More Descriptive):**

> **Description:** 涵蓋人體筋骨健康、訓練、保健等相關主題。

> **Translation:** Covering topics related to the health, training, and care of the human muscles and bones.

**Option 3 (Focus on Potential Usage):**

> **Description:** 標示與健身、鍛鍊、物理治療、骨骼健康相關的文章，提供有關肌肉和骨骼的資訊。

> **Translation:** Tags for articles related to fitness, exercise, physical therapy, and bone health, providing information about muscles and bones.

**Option 4 (Focus on a Broader Context):**

> **Description:** 探討人體筋骨的奧秘，包括解剖學、生理學、運動 biomechanics 等，亦涵蓋傷病防治。

> **Translation:** Exploring the mysteries of the human muscles and bones, including anatomy, physiology, exercise biomechanics, and also encompassing injury prevention and treatment.

**How to choose the best one:**

* **Consider your target audience:** Are they beginners or experts?
* **Think about the overall theme of your site:** What kind of content do you primarily offer?
* **Choose something that accurately reflects the articles tagged with “筋骨.”**

I recommend **Option 2 or 3** for most general purposes, offering a good blend of clarity and usefulness. If your blog delves deep into the scientific aspects, **Option 4** might be appropriate.