Shoulder joint present between `:-`

Options

A. Glenoid cavity of pectoral girdle and head of humerus
B. Coracoid process of pectoral girdle and head of humerus
C. Both
D. None

Answer

**Step-by-Step Solution:**

1. **Understanding the Shoulder Joint**: The shoulder joint is a type of joint that connects the upper limb (arm) to the trunk (body). It is classified as a ball-and-socket joint, which allows for a wide range of motion.

2. **Identifying the Bones Involved**: The shoulder joint is formed between two main structures:
- The **glenoid cavity** of the scapula (shoulder blade)
- The **head of the humerus** (the bone of the upper arm)

3. **Analyzing the Options**: The question provides several options regarding the location of the shoulder joint:
- Option 1: Glenoid cavity of pectoral girdle and the head of the humerus
- Option 2: Coracoid process of pectoral girdle and head of the humerus
- Option 3: Both
- Option 4: None

4. **Determining the Correct Option**: Since the shoulder joint is indeed formed between the glenoid cavity of the scapula and the head of the humerus, the correct answer is:
- **Option 1: Glenoid cavity of pectoral girdle and the head of the humerus**.

5. **Conclusion**: Therefore, the shoulder joint is present between the glenoid cavity of the pectoral girdle and the head of the humerus.

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