Human Lumbar Set Model For Back Care Teaching

Human Lumbar Set Model

Interchangeable Pathological Modules: Features three distinct life-sized lumbar vertebral pairs illustrating normal anatomy, herniated nucleus pulposus (slipped disc), and advanced bone thinning (osteoporosis).

Neuro-Vascular Detailing: Includes integrated representations of the spinal cord, exiting nerve roots, and the cauda equina, constructed from resilient synthetic polymers for authentic tactile feedback.

$13.99

Quick Answer: The Human Lumbar Set Model is a lumbar spine model representing the lower back, the five lumbar vertebrae with their discs as such sets are usually made, used to teach how the lower spine carries load and why it is the commonest site of back pain.

The Lower Back Under Load

The five lumbar vertebrae carry more body weight than any others in the spine, and their bodies are correspondingly large and kidney-shaped. Between them, intervertebral discs with a tough outer annulus fibrosus and a gel-like nucleus pulposus absorb and spread the load. Behind the discs, pairs of small facet joints guide movement: their upright, curved surfaces allow bending forward and backward but limit twisting, which protects the discs from rotational strain.

A lumbar set suits back-care teaching well. Pressure inside the lower lumbar discs rises when a person bends forward and lifts with straight legs, and falls when the load is held close to the body with knees bent, a difference students can link to the vertebrae in front of them. With age, discs lose water and height, the facet joints wear, and bony spurs called osteophytes form at the edges of the vertebral bodies; some lumbar models show these degenerative changes alongside healthy segments.

The listing does not say whether the set includes the sacrum, spinal nerves, a spinal cord or any pathology, so confirm the contents. For single-vertebra detail, the human lumbar vertebrae model is listed separately.

Applications

Back-care and manual-handling training for nurses, carers and warehouse staff
Physiotherapy teaching of lumbar movement, posture and core stability
Explaining disc degeneration and facet joint arthritis to patients
Anatomy lessons on the structure of discs and facet joints

Care of the Lumbar Set

Lift the lumbar set by its base or by the lowest vertebra; holding the top piece puts the whole column’s weight on the discs.
Avoid bending a flexible column past its natural curve when demonstrating forward bending.
Brush dust out of the facet joints and intervertebral foramina, and keep the set in a closed cupboard.

Specifications

Model of	Human lumbar spine (lower back), as a set
Vertebrae	L1 to L5
Structures taught	Vertebral bodies, intervertebral discs, facet joints
Teaching focus	Load bearing, lifting posture, degenerative change
Sacrum, nerves and pathology shown	Confirm at enquiry

Why Choose LabEquip

Physiotherapy clinics, occupational health teams and nursing schools use a lumbar set when they teach safe lifting, because it shows exactly where the strain falls. LabEquip lists the set among its biology lab products; the contact page handles questions about its contents.

Frequently Asked Questions

Why are lumbar vertebrae so large?

They support the weight of the head, arms and trunk above them. Their broad, thick bodies spread that load over a larger area of disc and bone than the smaller vertebrae higher up.

What is an intervertebral disc made of?

A tough outer ring of layered fibrocartilage, the annulus fibrosus, surrounding a soft, water-rich core, the nucleus pulposus. The core spreads pressure evenly while the ring contains it.

Why is lifting with a bent back discouraged?

Bending forward with straight legs and the load far from the body greatly increases pressure on the lower lumbar discs and strain on the back ligaments. Keeping the load close, bending the knees and avoiding twisting reduces it.

What are facet joints?

Small paired joints between the back of each vertebra and the next, lined with cartilage. In the lumbar spine they allow bending forward and backward but restrict rotation, and they can become arthritic with age.

What happens to lumbar discs with age?

They lose water and height, becoming less springy. This narrows the gaps between vertebrae, loads the facet joints more and can contribute to stiffness and back pain, although many people with disc changes have no symptoms.