Writing this text I am using my hands, and they move wonderful even they have evolved for something else - climbing on trees and walking on the branches. Humans are using their hands, but have you analyzed them trying to find out how they are made and how they have appeared? You can do it now and you have help. Justin from the Institute of Human Anatomy discusses the incredible complexity of the human hand.
The video chapters:
- 00:00 - 00:42 Introduction
- 00:43 - 01:35 Disclaimer
- 01:36 - 02:36 How many bones??
- 02:37 - 03:37 How many joints??
- 03:38 - 05:42 Opposable thumbs?? So what!?
- 05:43 - 06:24 Quick hand tour!!
- 06:25 - 07:42 How many muscles??
- 07:43 - 08:36 How many ligaments??
- 08:37 - 09:03 How many tendons??
- 09:04 - 10:09 How many nerves??
- 10:10 - 10:49 How much fat??
- 10:50 - 12:00 Why do we have fingerprints??
- 12:01 - 12:37 How many nerve endings??
- 12:38 - 13:38 Why do we have fingernails??
- 13:39 - 14:30 Why do we have palm lines??
- 14:31 - 16:03 Could the hand REALLY have evolved??
- 16:04 - 17:49 Simplifying complexity
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