EVERYDAY SCIENCE

SCIENCE

SKELETAL SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Check all of the types of moveable joints:
A
fixed joints
B
ball and socket joints
C
pivot joints
D
hinge joints
E
gliding joints
Explanation: 

Detailed explanation-1: -Hinge joint : This type of joint allows the movements of bones only in one direction. Ball and socket joint : In this type of joint, the bones can move in two or more directions-in a 3600 angle. Gliding joint : In this type of joint, the bones can only slide over each other.

Detailed explanation-2: -The six types of freely movable joint include ball and socket, saddle, hinge, condyloid, pivot and gliding.

Detailed explanation-3: -Also known as the plane joint, gliding joints are composed of two smooth surfaces that slide over one another to produce limited movement. They are primarily found in the ankles, wrist, and spine. Like the other joints in the body, plane joints can be affected by arthritis.

Detailed explanation-4: -Functionally the three types of joints are synarthrosis (immovable), amphiarthrosis (slightly moveable), and diarthrosis (freely moveable). The two classification schemes correlate: synarthroses are fibrous, amphiarthroses are cartilaginous, and diarthroses are synovial.

Detailed explanation-5: -Planar joints have bones with articulating surfaces that are flat or slightly curved faces. These joints allow for gliding movements, and so the joints are sometimes referred to as gliding joints.

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