your thumb could bend in other ways and could be moved in a 360 degrees if it was a ball and joint, if it was a pivot it could only move in a straight line and not bend like we are used too, the thumbs are opposable so humans can grab things if a different joint is used it can have a harsh affect on the human structure and functions, a major consequence is that if this evolution happened suddenly now out technology could not comprehend with this evolution and we could lose our ability to use now day tools.
(i got this from somebody else but scored 100% so thought I'd share it. creds to that person)
Answer:
The Thumb is among the part of the body which has a rare type of joint called the Saddle joint.
This joint allows movement within two planes as a result of its flexibility . The planar movement of the joint include flexion/extension and abduction/adduction.
If the thumb had a pivot joint then the thumb will be less flexible and only able to move in a rotary motion.
The thumb having a ball and socket joint will only aid movement in all directions and has a greater degree of movement when compared to other joints.
The consequences of having a different type of joint in the thumb include
Read more on https://brainly.com/question/8605617
