Mark the wrong item in each of the following series :
pronator, ligament, supinator, adductor.

Explanation

To solve the question, we need to identify the wrong item in the series: pronator, ligament, supinator, adductor.

**Step 1: Identify the items in the series.**
- The items are: pronator, ligament, supinator, adductor.

**Step 2: Classify each item.**
- Pronator: This refers to a group of muscles that perform the action of pronation (turning the forearm so that the palm faces posteriorly).
- Supinator: This is also a muscle that performs the action of supination (turning the forearm so that the palm faces upwards).
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