Chapter 32, Problem 5STP

Summary Introduction

Introduction:

Joints are present between any two bones in the body. Some major joints are synovial, cartilaginous and fibrous joints. They all are distinguished by the type to tissue that is connecting them.

Answer to Problem 5STP

Correct answer:

The correct answer is option (a) elbows and knees.

Explanation of Solution

Explanation/justification for the correct answer:

Option (a) Hinge joints are the joints present between elbow, knee and ankle. They help only in the bending and straightening of the joint. They are named as such because these joints function like a hinge present on a door as they allow bones to move in one direction back and forth only.

Explanation for incorrect answer:

Option (b) the interphalangeal joints are found between the phalanges of the fingers and toes.

Option (c) the ball-and-socket type of joints is present at the hip joint and shoulder joint. The femur head articulates is present in the hip joint and the humerus head articulates is present at the shoulder joint.

Option (d) the gliding joint, present in the bones of wrists and ankles slides in a single plane only in an opposite direction to each other. These joints are also present in the intervertebral joints.

Conclusion

The type of joint shown in the figure is found in elbows and knees.