Question 1

Which joint in the human body is considered the most moveable, and how does its flexibility relate to the risk of injury in athletes?

Accepted Answer

The shoulder joint; its high flexibility allows a wide range of motion but increases the risk of dislocation.

Question 2

Which of the following correctly identifies the ball and socket joints that connect the upper and lower limbs to the axial skeleton?

Accepted Answer

Shoulder and hip joints

Question 3

Which ligament helps to stabilize the shoulder joint by connecting the glenoid cavity to the humerus?

Accepted Answer

Glenohumeral ligament

Question 4

The pelvic girdle and the associated hip bones are stabilized by several ligaments. Which of the following ligaments is essential for stabilizing the hip joint?

Accepted Answer

Iliofemoral ligament

Question 5

Which movement is described as moving a limb away from the midline of the body?

Accepted Answer

Abduction

Question 6

A patient is unable to rotate their forearm so that the palm faces upward. Which movement is impaired?

Accepted Answer

Supination

Question 7

What is the primary function of synovial fluid in the synovial joint?

Accepted Answer

To lubricate the joint and reduce friction between articular surfaces

Question 8

Which of the following structures is NOT part of the stabilizing structures of the knee joint?

Accepted Answer

Glenoid labrum

Question 9

A football player suffers a tear in the anterior cruciate ligament (ACL). What is the most likely consequence?

Accepted Answer

Increased anterior movement of the tibia relative to the femur

Question 10

Which of the following best describes the function of the menisci in the knee joint?

Accepted Answer

They provide cushioning and improve the fit between femur and tibia.

Question 11

Which of the following is the correct formula for calculating the range of motion (ROM) of a synovial joint, given the angular displacement $$	heta$$ and time $$t$$?

Accepted Answer

$$ROM = \dfrac{	heta}{t}$$

Question 12

Which of the following statements about the structure of articular cartilage is TRUE?

Accepted Answer

It is avascular and provides a smooth, lubricated surface for joint movement.

Question 13

Which of the following correctly matches the type of synovial joint with its example?

Accepted Answer

Ball and socket joint – hip

Question 14

A patient presents with limited dorsiflexion and plantarflexion at the ankle. Which type of synovial joint is most likely affected?

Accepted Answer

Hinge joint

Question 15

Which ligament is responsible for preventing excessive lateral movement of the knee joint?

Accepted Answer

Lateral collateral ligament (LCL)

Question 16

Which of the following best explains why the shoulder joint is more prone to dislocation than the hip joint?

Accepted Answer

The shoulder joint has a shallow glenoid cavity and less ligamentous support.

Question 17

Which of the following movements is possible at the saddle joint found at the base of the thumb?

Accepted Answer

Opposition

Question 18

A gymnast experiences pain in the temporomandibular joint (TMJ) after a fall. Which type of synovial joint is the TMJ?

Accepted Answer

Hinge and gliding joint

Question 19

Which of the following correctly describes the anatomical arrangement of the bones in the elbow joint?

Accepted Answer

Ulna articulates with the humerus at the trochlea.

Question 20

Which of the following formulas correctly calculates the mechanical advantage (MA) of a lever system in the musculoskeletal system, given the length of the effort arm $$L_e$$ and the length of the resistance arm $$L_r$$?

Accepted Answer

$$MA = \dfrac{L_e}{L_r}$$

Study Notes: Joints and the Skeletal System

Study Guide - Practice Questions

Study Guide - Flashcards