Here are a few options for a WordPress post tag description for “掌上壓” (Push-ups) in Traditional Chinese, catering to different purposes:

**Option 1: Concise & Simple**

* **Description:** 鍛鍊胸肌、手臂和核心肌群的基礎運動，也稱俯臥撑。 (A basic exercise for training chest, arms, and core muscles. Also known as push-ups.)

**Option 2: More Descriptive**

* **Description:** 掌上壓是一種無需器械，隨時隨地都可以做的全身性運動。它能有效地增強上半身力量、耐力和心血管健康。 (Push-ups are a full-body exercise that can be done anytime, anywhere, without equipment. They effectively strengthen upper body strength, endurance, and cardiovascular health.)

**Option 3: Focus on Benefits**

* **Description:** 想擁有健壯的胸肌、強壯的手臂和穩定的核心嗎？掌上壓是你的不二之選！了解掌上壓的正確姿勢、變式和好處，讓你輕鬆開始健身之旅。 (Want to have a strong chest, strong arms, and a stable core? Push-ups are the perfect choice! Learn about the correct push-up form, variations, and benefits to kickstart your fitness journey easily.)

**Option 4: For beginners:**

* **Description:** 學習掌上壓正確姿勢，逐步提升力量。適合初學者，了解如何安全有效地進行俯臥撑。 (Learn the correct push-up form and gradually improve your strength. Suitable for beginners, learn how to perform push-ups safely and effectively.)

**Key Considerations When Choosing:**

* **Target Audience:** Who are you writing for? Beginners, intermediate lifters, fitness enthusiasts?
* **Content of the Posts:** What does the content in the posts tagged with “掌上壓” cover?
* **SEO (Search Engine Optimization):** Include relevant keywords like “健身” (fitness), “鍛鍊” (exercise), “肌肉” (muscles), “俯臥撑” (push-ups – direct translation) to help with searchability.

**How to add the description in WordPress:**

1. **Go to Posts > Tags** in your WordPress dashboard.
2. **Find the “掌上壓” tag.**
3. **Click “Edit”.**
4. **Look for the “Description” field.”** (If you don’t see it, you might need to enable it in the Screen Options at the top of the page.)
5. **Paste in your chosen description.**
6. **Click “Update”.**

I recommend going for options 2, 3, or 4, as they provide more context and potentially attract more readers.