Which of the following statements is false regarding ligaments?
1) Intracapsular ligaments are within the articular capsule.
2) Ligaments are composed of dense regular connective tissue.
3) Extrinsic ligaments are physically separate from the articular capsule.
4) Intrinsic ligaments are thickenings of the articular cartilage.
5) Extracapsular ligaments are outside the articular capsule.