What property of tendons contributes to their ability to transmit forces effectively?

The effective transmission of forces through tendons is primarily attributed to the presence of long collagen fibers. These fibers provide a strong and resilient structure that can withstand significant tensile loads. The collagen in tendons is organized in a parallel arrangement, which allows for efficient force transfer along the length of the tendon. This structural organization is crucial because it means that when a muscle contracts, the force generated is directly transmitted through the tendon to the bone without significant deformation or loss of energy.

While other factors, such as metabolic rate and water content, can influence tendon health and functionality, they do not directly relate to the mechanical property of force transmission. High water content is important for tissue hydration and nutrient transport but does not contribute to the structural integrity required for effective force transmission. Low elasticity may suggest that tendons can resist stretching under load, but it is the combination of strength and tensile capability provided by the long collagen fibers that is most critical for their force-transmitting function.