Intervertebral joints anatomy in 3D
Neighbouring vertebrae are joined in two places. At the front an intervertebral disc lies between the vertebral bodies and links them; at the back the articular processes on each side meet to form a pair of facet joints (zygapophyseal joints). From between C2 and C3 down to between L5 and the sacrum there are 23 intervertebral discs.
Frequently asked questions
Which bones form the intervertebral joints?
Each pair of neighbouring vertebrae among the seven cervical, twelve thoracic and five lumbar vertebrae forms these joints, and the fifth lumbar vertebra forms them with the sacrum below.
What type of joints are the intervertebral joints?
The disc joints at the front are cartilaginous joints; the facet joints at the back are synovial plane joints.
What movements happen at the intervertebral joints?
Each joint moves only a little, but together they let the spine bend forwards and back, tilt to the side and twist. The facet joints face different directions in the neck, upper back and lower back, so each region favours different movements.
Bones of the intervertebral joints
- Atlas (C1)
- Axis (C2)
- Third cervical vertebra (C3)
- Fourth cervical vertebra (C4)
- Fifth cervical vertebra (C5)
- Sixth cervical vertebra (C6)
- Seventh cervical vertebra (C7)
- First thoracic vertebra (T1)
- Second thoracic vertebra (T2)
- Third thoracic vertebra (T3)
- Fourth thoracic vertebra (T4)
- Fifth thoracic vertebra (T5)
- Sixth thoracic vertebra (T6)
- Seventh thoracic vertebra (T7)
- Eighth thoracic vertebra (T8)
- Ninth thoracic vertebra (T9)
- Tenth thoracic vertebra (T10)
- Eleventh thoracic vertebra (T11)
- Twelfth thoracic vertebra (T12)
- First lumbar vertebra (L1)
- Second lumbar vertebra (L2)
- Third lumbar vertebra (L3)
- Fourth lumbar vertebra (L4)
- Fifth lumbar vertebra (L5)
- Sacrum
Other joints
- Shoulder joint
- Acromioclavicular joint
- Elbow joint
- Radioulnar joints
- Wrist joint
- Thumb carpometacarpal joint
- Hip joint
- Sacroiliac joint
- Knee joint
- Ankle joint
- Subtalar joint
- Temporomandibular joint
- Atlanto-occipital joint
- Atlanto-axial joint
- Costovertebral joints
Skeleton
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