Anterior pelvic tilt leads to poor posture which increases the risk of knee pain, lower back pain/injuries, and other musculoskeletal disorders. It is a posture problem that affects almost anyone who sits a lot. If a client exhibits this disorder then the exercise of Calf raises should be avoided. Calf raises are methods of exercising the gastrocnemius, tibialis posterior and soleus muscles of the lower leg.
The most consistent way to obtain information about the evolution of species is to look at the fossil record. Another is to observe the differences between species currently on earth. Another is to use carbon dating.