Head Mounted Laser for assessment and rehabilitation

In clinic and at home.

Two images showing a person with a headlamp labeled 'Duo' and a woman sitting in a room labeled 'Kross'.
Person using a headband device with 'HEADX' branding, in a home setting.

  • Balance and Falls

  • Chronic Neck Pain & Whiplash

  • Vestibular Dysfunction

  • Concussion Assessment & Rehabilitation

  • Stroke Rehabilitation

  • Sports Performance

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Wallchart with rainbow infinity symbol on a dark background, text about cervical control training.

Trusted By Leading Clinics & Professionals

Louise_Barker

Louise Barker

We have been integrating the HeadX Kross into our rehabilitation and have found it a highly valuable tool. Giving immediate feedback, it has been useful across a wide spectrum of clients - from subtle head positional sense and vestibular issues, to clients presenting with significant motor, sensory and postural control challenges following larger brain injuries

Mike_Loosemoore

Prof. Mike Loosemore (MBE)

The HeadX Kross is a standardised part of our assessment in the Concussion Clinic at ISEH. Over the past few years, the work conducted here at UCL, alongside research from our peers globally, has highlighted the importance of assessing cervical proprioception following rapid head accelerations.

James_McLoughlin

Assoc Prof James McLoughlin

Feedback of head position in space using head torches or lasers has become an integral part of our vestibular and cervical rehabilitation. The new HeadX Kross gives feedback in the roll (lateral tilt) which adds a new dimension to our ability to train head and neck control.

David_Bartlett

David Bartlett

Subtle impairments in cervical joint position sense can contribute to persistent symptoms, delayed recovery, and reduced athletic performance. By incorporating objective, laser-based measures through the HeadX Kross, we are able to quantify deficits, track progress over time, and implement targeted rehabilitation strategies with far greater precision.

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Nicola Hunt MCSP

I like the HeadX Kross as it provides so much more feedback on quality of movement than a single point laser. A single point laser will show if the patient is able to return the head to the starting position but won’t give feedback about head tilt like the HeadX Kross."

HEADX exercise booklets on a wooden surface with a YouTube logo.
HEADX exercise booklets on a wooden surface with a YouTube logo.
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Make movement visible. Make progress measurable

HeadX designs and manufactures two standalone head-mounted devices for physiotherapists, sports performance clinicians, and rehabilitation specialists.

The HeadX Kross projects a patented crosshair laser for real-time visual feedback during cervical proprioception training and vestibular rehabilitation.

The HeadX Duo combines the same crosshair laser with an integrated 9-axis inertial sensor, adding objective digital measurement of cervical range of motion, Joint Position Error values, and longitudinal session analytics.

Both devices are in active use across private practice, elite sport, and specialist concussion clinics.

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What is cervical proprioception training?

Cervical proprioception is the body's ability to sense the position and movement of the head and neck in space, informed by cervical, vestibular and visual inputs.

After concussion, whiplash or persistent neck pain, head-repositioning performance may be altered in some people and should be interpreted alongside the wider clinical assessment.

Joint Position Error testing, in which a person moves away from and attempts to return to a reference position, is one clinical method of assessing head-repositioning accuracy.

A mean error of approximately 4.5° has historically been used as a reference in some protocols. It is not a universal diagnostic, recovery or discharge threshold.

View FREE HeadX Exercises
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What is cervical range of motion measurement?

Cervical range of motion describes neck movement across flexion, extension, lateral flexion and rotation.

Published adult reference values vary with age, method, device and population. Range-of-motion testing can document baseline performance and change over time, but a single value is not diagnostic and should not be used alone as a recovery or discharge criterion.

HeadX Duo records cervical movement digitally across the available assessment planes using its integrated inertial sensor, supporting repeated-session review in the companion app.

View HeadX Duo
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What is cervical motor control training?

Cervical motor control is the coordinated neuromuscular activity that regulates head and neck movement and stabilises the cervical spine during dynamic tasks.

Following injury, motor control is frequently disrupted — patients may show altered movement patterns, reduced deep muscle activation, and impaired gaze stability that persists long after pain resolves.

Training progresses from precision positioning tasks through to dynamic and dual-task conditions.

Real-time laser feedback, as provided by the HeadX Kross, is an established method for improving motor learning accuracy during cervical retraining.

View HeadX Kross