Which of the following is NOT a function of the tendons?

Tendons primarily serve to connect muscles to bones and facilitate the transmission of tensile forces generated during muscle contractions. Their main functions include transmitting these forces effectively (which helps in movement and stability), providing connective tissues that contribute to joint stability, and being resilient to the mechanical demands placed on them during physical activity. However, tendons do not produce energy; rather, they transmit the energy generated by the muscles to the skeletal system to produce movement.

The option related to producing the majority of the energy for the body is incorrect because energy production is primarily the role of muscles and metabolic processes, not tendons. Tendons do assist in efficient movement and energy storage in some instances (like the elastic energy storage in the Achilles tendon), but they do not generate energy themselves. Hence, this choice is an accurate identification of a function that is NOT associated with tendons.