Question

multiple choice question

when a muscle lengthens, the collagenous components protect the muscle because they resist which of the following?

oxidation
contraction
electrical changes
stretching

Explanation:

Identify the role of collagenous components

Using the Skeletal Muscle Connective Tissue knowledge point

• Connective tissue sheaths (epimysium, perimysium, endomysium) are rich in collagen fibers.
• These collagenous components are continuous with tendons and exhibit elastic properties.
• When a muscle is passively or actively elongated, these components stretch and resist further elongation.

Determine what is resisted during lengthening

• Muscle lengthening is physically synonymous with elongation or stretching.
• The collagenous elements prevent excessive elongation, thereby protecting the muscle fibers from overstretching injury.
• Therefore, they directly resist stretching.

Answer:

• O Oxidation
• O Contraction
• O Electrical changes
• O Stretching (Correct answer)