Also called the combined form and the competition form, 42 was created in 1989 by Grand Master Li De Yin. It incorporates elements of all four styles of Tai Chi: Yang, Chen, Sun and Wu. Wikipedia offers this interesting discussion by Dr. Paul Lam.

I’ve been using an excellent video demonstration by Miss Ng Ah Mui.

For comparison, here’s an excellent performance by Gao Jiamin on YouTube.

Here’s a list of the 42 movements in English and Chinese, derived from Lau Sui and a list that Long Feng gave me.

The form takes 6-7 minutes. The movements are:

1. Preparing Form – Qishi
2. Right Grasp the Bird’s Tail [Wu style] – You Lan Que Wei
3. Single Whip – Zuo Dan Bian
4. Lift Hands – Ti Shou
5. White Crane Spreads Wings – Bai He Liang Chi
6. Brush Knee Push – Luo Xi Ao Bu [right and left]
7. Fist Across the Body – Pie Shen Chui
8. Roll Back and Press – Lu Ji Shi
9. Step Forward, Block, Parry, Punch – Jin Bu Ban Lan Chui
10. Withdraw and Push [Sun Style] – Ru Feng Si Bi
11. Open and Close Hands – Kai He Shou
12. Single Whip [Wu style] – You Dan Bian
13. Fist Under Elbow [Sun style] – Zhou Di Chui
14. Turn to Push Palm [Sun style] – Zhuan Shen Tui Zhang
15. Fair Lady Works the Shuttle [Wu? style] – Yu Nu Chuan Shuo
16. Right and Left Heel Kick – You/Zuo Deng Jiao
17. Hidden Hand Punch [Chen style] – Yan Shou Gong Chui
18. Part the Wild Horse’s Mane [Chen style] – Ye Ma Fen Zong
19. Cloud Hands – Yun Shou
20. Hit the Tiger on One Leg [Wu style] – Du Li Da Hu
21. Right Snap Kick – You Fen Jiao
22. Box the Tiger’s Ears – Shuang Feng Quan Er
23. Left Snap Kick – Zuo Fen Jiao
24. Turn Body Slap Foot – Zhuan Shen Pai Jiao
25. Step Up and Punch Down – Jin Bu Zai Chui
26. Slant Flying [Wu style] – Xie Fei Shi
27. Snake Creeps Down – Dan Bian Xia Shi
28. Golden Rooster Stands on One Leg- Jin Ji Du Li
29. Step Back Piercing Palm – Tui Bu Chuan Zhang
30. Press Palm in Empty Stance – Xu Bu Ya Zhang
31. Lift Palm on One Leg – Du Li Tuo Zhang
32. Strike With Shoulder – Ma Bu Kao
33. Turn Body Big Pullback – Zhuan Shen Da Lu
34. Grab to Punch – Xie Bu Qin Da
35. Squat to Palms Through – Chuan Zhang Xia Shi
36. Step Up Seven Stars – Shang Bu Qi Xing
37. Step Back to Ride the Tiger [Wu style] – Tui Bu Kua Hu
38. Turn and Sweep the Lotus – Zhuan Shen Bai Lian
39. Bend Bow Shoot Tiger – Wan Gong She Hu
40. Left Grasp the Bird’s Tail – Zuo Lan Que Wei
41. Cross Hands – Shi Zi Shou
42. Close Form – Shou Shi

The form is predominantly Yang style; I’ve indicated where the other styles occur (as best I know).