A) Muscle tension is produced internally within the sarcomeres. B) Muscle tension is transmitted to the skeleton by tightening of the series-elastic component within the sarcomere. C) It is possible for a skeletal muscle to produce movement without the muscle being attached to bone at both ends. D) With respect to skeletal muscle, the load and velocity for shortening are inversely related for concentric contractions. E) Actually, all of these are true statements.