The principle of the LMM is to gather functional objective and quantitative measurements of the lumbar range of motion, velocity, and acceleration in the clinical or industrial environment.

Exoskeleton: A device strapped to the patients back that has potentiometers for measurement of the three dimensions.

Range of Motion: The measure of a persons back as far as side to side movements, twisting movements, and back & forth movements.

Velocity: the measure of a patient's speed

Acceleration: A calculated measurement of the patients speed divided by time.

The LMM is utilized in conjunction with other steps to evaluate trunk motion and workplace or daily living components associated with risk of low back disorder in patients. The workplace or environment can be simulated in the clinic with a series of motion tests to quantitatively measure movement dysfunction and make comparisons to normalized data bases.

The LMM is capable of assessing the instantaneous position of the lumbar spine in three dimensional space. This device has been found to be accurate to within 1.5 degrees. It is basically an exoskeleton of the spine that has been instrumented with sensors. The outputs of these sensors are transmitted via umbilical cable to the A/D board in the personal computer. Each channel of data is sampled at a rate of 60 HZ. The computer calculates the instantaneous position, velocity, and acceleration of the lumbar spine throughout a manual material handling or other activity. Evaluation is then made of the various motion component profiles in each plane of the body: Sagital, side bending and rotation.

Early studies have shown that workplace factors, side bending, twisting, and changes in sagital motion were correlated with higher low back disorder incident rates.

The LMM along with other components, allows for a quantitative description of the three dimensional motion activities of the lumbar spine during work or other activities of daily living. Trunk motion parameters, as a contribution to LBD risk, can be documented in various ways. Characteristics of trunk motion variables associated with high and low risk jobs or activities can be quantitatively described.

The LMM has made it possible to identify those trunk motions and conditions that are associated with greater risks of LBD. This information can be used to assist the clinician in minimizing the risk of injury due to the design of the MMH task or other activity, as well as helping to understand the nature and conditions associated with LBD patients.

The LMM is shipped with a large and small exoskeleton in a carrying case along with an umbilical cable that attaches to a computer's serial port or a PC type, laptop or notebook. Three sizes of halters and belts are used to strap the LMM to the persons back.

Pre-Owned and refurbished units only.

 

LMM CPT codes

 Testing

CPT Code 95851 Range of Motion (ROM) measurements and reports (Separate procedures) each extremity, excluding hand.

 CPT code 97720 Extremity testing for strength, dexterity or stamina: initial 30 minutes each visit.

 

Exercise

CPT code 97530 Kinetic activities to increase coordination, strength, and / or range of motion, one area (any two extremities or trunk), initial 30 minutes, each visit. 

CPT code 97112 Physical medicine treatment to one area, initial 30 minutes, each visit: therapeutic exercises: neuromuscular re-education

 

The average charge in the U.S. for job site analysis is $125 per hour.

Industrial testing can be charged with cpt codes or between the testing clinic and industrial site tested.

 

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