Write a function of hindlimbs in frogs.

Explanation

### Step-by-Step Solution

1. **Identify the Organism**: The question pertains to the function of hindlimbs in frogs, which are amphibians known for their dual habitat (land and water).

2. **Understand the Structure**: Frogs possess two sets of limbs: forelimbs (front limbs) and hindlimbs (back limbs). The hindlimbs are notably stronger than the forelimbs.

3. **Primary Function**: The primary function of the hindlimbs in frogs is locomotion. They are specialized for leaping, which is a key mode of movement for frogs.

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