What makes up the sling apparatus?

• A. Collagen fibers
• B. Elastic tissue
• C. Muscle fibers
• D. Bone

Answer: (A)

The sling apparatus is built primarily from collagen fibers. Collagen is the main structural protein in connective tissues, forming strong, fibrous bundles that resist pulling forces. This tensile strength is exactly what a sling needs to hold structures in place and support them during movement. While elastic tissue provides some stretch, it isn’t the main load-bearing component, and muscle fibers are contractile tissue, not the primary support framework. Bone is rigid and serves as attachment points but isn’t the soft-tissue sling itself. So the collagen fibers compose the sturdy, load-bearing framework of the sling apparatus.