Introduction of upper limb

 Definition:

The branch of science concerned with the body structure of human, animal and other living organisms and their internal working called anatomy.

Parts of upper limb:

There are four part of upper limb such as

• shoulder rejoin
• arm or brachium
• fore arm and ante brachium
• hand and Manus.

Evolution of upper limb:

The forelimbs have evolved from the pectoral fins of fishes. In tetrapods ,all the four limbs are used for supporting body weight ,and for locomotion. In arboreal human ancestors, the forelimb have been set free from their weight bearing function. 

Scheme of skeleton of upper limb showing lines of force transmission

I am sharing links of some awesome videos of upper limb introduction:

https://youtu.be/8F0dhuEYsAY

 Best of luck👍👍