Joint Review Quiz

Which of the following joints is classified both structurally as fibrous and functionally as synarthrotic?

• Shoulder joint

• Suture joint of the skull

• Pubic symphysis

• Radiocarpal joint

Which joint action describes movement at the ankle where the foot moves superiorly toward the shin?

• Plantarflexion

• Dorsiflexion

• Inversion

• Pronation

Which statement best describes the relationship between joint mobility and stability?

• All joints are equally mobile and stable

• Greater mobility means greater stability

• Greater stability usually results in decreased mobility

• Mobility and stability are unrelated

The temporomandibular joint (TMJ) is classified as what type of joint?

• Cartilaginous symphysis

• Synovial hinge

• Synovial modified hinge

• Fibrous gomphosis

Which of the following is not a specialized directional term for joint action?

• Circumduction

• Protraction

• Lateral deviation

• Depression

• Supersupination

What movement occurs in the frontal plane around an anteroposterior axis?

• Flexion

• Extension

• Abduction

The meniscus and articular disc are intra-articular structures that primarily help:

• Increase range of motion

• Generate force

• Improve joint congruence and cushion the joint

• Strengthen tendons

Which spinal region allows the most rotation?

• Lumbar

• Thoracic

• Cervical

• Sacral

What motion is primarily allowed by the lumbar facet joints?

• Lateral rotation

• Flexion and extension

• Lateral deviation

• Protraction

What are the three main components of an intervertebral disc joint?

• Annulus fibrosus, nucleus pulposus, and vertebral endplates

• Synovial fluid, joint capsule, and cartilage

• Muscle, ligament, and tendon

• Posterior arch, spinous process, and lamina