Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to stretch ligaments [title] Identify the shortened ligament. [step] Shortened or contracted ligaments usually occur due to trauma, faulty posture, or general disuse. When the ligaments of a joint contract, they limit that joint's range of movement.

Ending1: However, they do not exert considerable pressure to move the joint. Rather, they only apply enough pressure to counteract the contraction. Ending2: Ligaments often get shortened when both standing and sitting are involved. Start by thinking about your old-fashioned ligaments and not the new ones. Ending3: [substeps] Ligaments held in shortened positions tend to shorten over time, which could happen if you have habitually bad posture; for instance, if you always slump forward while sitting, the ligaments at the front of the shoulder may shorten. Ligament contraction can also occur when joints are immobilized. Ending4: [substeps] If any tendons are pinched in the knee joint, then the ehydromusculoskeletal structure of the joint does not stretch properly. If the ligaments of a bent knee do not contract properly, they can be torn apart or compressed significantly.

Answer format: ending1/ending2/ending3/ending4