Chapter 9 - Joints: Classification and Structural Characteristics

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Which type of joint allows for the four angular movements of flexion, extension, abduction, and adduction, with limited circumduction?

Hinge joint

Pivot joint

Condyloid joint (correct)

Saddle joint

What type of joint has a ball-like surface of one bone that rests against a cuplike depression of another bone?

Hinge joint

Saddle joint

Ball and socket joint (correct)

Condyloid joint

Which factor plays a role in limiting the range of motion at synovial joints due to muscular tightness?

Strength and tension of joint ligaments

Structure or shape of the articulating bones

Contact of neighboring soft parts

Arrangement and tension of muscles around the joint (correct)

In a saddle joint, how is the articular surface of one bone shaped?

Saddle-shaped Signup and view all the answers

Which hormone increases the flexibility of fibrocartilage in pubic symphysis and sacroiliac ligaments during late pregnancy?

Relaxin Signup and view all the answers

What distinguishes a ball and socket joint from other types of joints in terms of movement?

Allows for the most range of motion due to its structure Signup and view all the answers

What type of movement involves bending the vertebral spine to the right or left along the frontal plane?

Flexion Signup and view all the answers

What movement increases the angle, like straightening the elbow joint?

Extension Signup and view all the answers

Which type of movement involves returning a bone towards the midline of the body?

Adduction Signup and view all the answers

Which of the following is an example of medial/internal rotation?

Rotating the bone along its long axis so the anterior surface moves medially Signup and view all the answers

What movement involves a combination of four angular movements and rotation?

Circumduction Signup and view all the answers

What type of joint is a suture?

Synarthrosis Signup and view all the answers

Which of the following accurately describes a syndesmosis joint?

An example is the articulation between the tibia and fibula Signup and view all the answers

Which joint is classified as an amphiarthrosis?

Cartilaginous junction of the first rib with the manubrium Signup and view all the answers

What type of connective tissue is found in a symphysis joint?

Fibrocartilage Signup and view all the answers

The epiphyseal plate is associated with what type of joint movement?

No movement Signup and view all the answers

What is a characteristic of synovial joints?

Contain an articular/joint capsule Signup and view all the answers

What is the primary function of the medial and lateral menisci?

To provide cushioning support within the knee joint Signup and view all the answers

Which ligament is responsible for preventing valgus strain on the knee joint?

Medial (tibial) collateral ligament (MCL) Signup and view all the answers

What is the 'unhappy triad' injury in the knee joint?

Injury to the MCL, ACL, and medial meniscus Signup and view all the answers

What is the function of the patellar ligament?

To act as a continuation of the quadriceps tendon, attaching the patella to the tibial tuberosity Signup and view all the answers

Which bursa is located between the patella and the skin?

Prepatellar bursa Signup and view all the answers

What is the primary function of the proximal tibiofibular joint?

To act as part of the high ankle joint, limiting torsion of the tibia and fibula Signup and view all the answers

What is the primary function of ligaments in joints?

To bind bones together and limit movement Signup and view all the answers

Which of the following joint types is classified as an immovable joint?

Synarthrosis Signup and view all the answers

Which of the following statements about synovial joints is true?

They have a joint capsule and are lubricated by synovial fluid Signup and view all the answers

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

To facilitate smooth motion between bones Signup and view all the answers

Which of the following joint types is classified as slightly movable?

Amphiarthrosis Signup and view all the answers

Which of the following statements about sutures is true?

They are a type of fibrous joint that connects bones using dense irregular connective tissue Signup and view all the answers