GROSS ANATOMY

GROSS ANATOMY

PECTORAL REGION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the articulations for those 3 joints?
A
Metacarpophalangeal-metacarapals & phalanges
B
Proximal Interphalangeal-proximal & middle phalanx
C
Distal Interphalangeal-distal & middle phalanx
D
All the above
Explanation: 

Detailed explanation-1: -Histologically the three joints in the body are fibrous, cartilaginous, and synovial. Functionally the three types of joints are synarthrosis (immovable), amphiarthrosis (slightly moveable), and diarthrosis (freely moveable).

Detailed explanation-2: -Ball-and-socket joints, such as the shoulder and hip joints, allow backward, forward, sideways, and rotating movements. Hinge joints. Hinge joints, such as in the fingers, knees, elbows, and toes, allow only bending and straightening movements. Pivot joints.

Detailed explanation-3: -Joints, also known as articulations, are a form of connection between bones. They provide stability to the skeletal system as well as allowing for specialized movement. Joints can be classified: Histologically, on the dominant type of connective tissue. ie fibrous, cartilaginous, and synovial.

Detailed explanation-4: -Immovable joints allow little or no movement at the joint. Most immovable joints are fibrous joints. Partly movable joints permit slight movement. Movable joints allow bones to move freely. 04-Sept-2021

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