FTCE Subject Area Practice Test 2026 – Comprehensive Prep Guide

The reduced ability to improve flexibility in the body is largely linked to the probability of muscular degeneration. Muscle degeneration can occur due to various factors such as aging, inactivity, or certain health conditions, leading to a decrease in muscle mass and strength. This decline can significantly impact the overall flexibility of the muscles since flexibility relies on both the integrity and function of the muscles and connective tissues. When muscles degenerate, they may lose their elasticity and ability to stretch effectively, hindering overall flexibility.

The other options either pertain to factors that generally support flexibility or address aspects that may not directly influence flexibility in the same way. For instance, increased hydration levels typically promote better overall muscle function, while inadequate training techniques may limit improvement but don't directly result in degeneration. Lack of protein intake could affect muscle repair and growth, but it is muscular degeneration that fundamentally influences the capacity to achieve improved flexibility.