What is defined as the ability to move a joint through its normal range of motion?

A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?

The latissimus dorsi acts as the prime mover during the concentric phase of which of the following exercises?

When reading the label on a new "energy" bar, you notice that the bar is "sweetened with fructose". Based on this label, which of the following conclusions can you make about this product?

What exercise should be avoided for a person suffering from shoulder impingement syndrome?