KANEDA – An anteriorly placed fixation device for spinal deformities.

KINETIC – Relating to motion or movement.

KNODT DISTRACTION ROD – For distraction stabilization of thoracic and lumbar spine.

KOSTUICK-HARRINGTON – Anteriorly placed device for spinal deformity correction.

KYPHECTOMY – For kyphotic deformity in myelodysplasia; excision of kyphotic portion of lumbar spine combined with spinal fixation.

KYPHOSCOLIOSIS – Lateral curvature of the spine associated with forward inclination of the spine.

KYPHOSIS – An abnormal increase in the normal kyphotic curvature of the thoracic spine. Round shoulder deformity, humpback, dorsal curvature; may refer to any forward-bending area or deformity of the spine.