Evaluate the major muscle groups of the upper and lower limbs and relate their similarities and differences to their function.

Explanation:

In the humans, the gross difference in the upper and lower limbs is that the flexor and extensor surfaces and their functional groups of muscles are in the opposite directions i.e. flexor surfaces or muscles in the upper limbs are placed anteriorly whilst in the lower limbs

the trait of personality falls in the middle of the diagram because personality is a mixture of ones nature and environment.