Contraction of a ........ muscle draws a limb towards the body midline while contraction of a .......... muscle draws a limb away from the body midline.

Explanation

To answer the question, we need to identify the types of muscles involved in limb movement towards and away from the body midline.

1. **Understanding the first part of the question**: The contraction of a muscle that draws a limb towards the body midline.
- The muscle responsible for this action is called the **adductor muscle**. Adductor muscles are responsible for bringing limbs closer to the center of the body.

2. **Understanding the second part of the question**: The contraction of a muscle that draws a limb away from the body midline.
- The muscle responsible for this action is called the **abductor muscle**. Abductor muscles are responsible for moving limbs away from the center of the body.

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