Engineering:Range of Motion (exercise machine)

From HandWiki

Range of motion (ROM) is when a person has become injured in some way, most times the doctor's advice the patients to exercise and stretch the back muscles. For this purpose a form of exercises called range of motion exercises which are used to keep the muscles and joints in the patients back strong and flexible. These exercises can be done by the patient himself, or with a physical therapist. If these exercises are done alone they would be called active range of motion (AROM) exercises and if they require assistance they would be called active-assisted range of motion (AAROM) exercises.

A range of motion exercise machine won the 1991 Popular Science award for "Best of what's new" in leisure products.[1]

ROM Therapy Users

ROM therapy is used largely for two distinct subgroups: temporary users and long term users.

Temporary ROM Users

Typically, a temporary user of ROM therapy is affected by a cause that will be resolved in the short term. These causes can be varied but mainly fall into three categories.

  1. Injury
  2. Surgery
  3. Temporary Immobility

In each case the user is expected to make a full recovery, and over time will no longer need ROM to ensure the proper function of their musculoskeletal structure.[2]

Long Term ROM Users

A long-term ROM user will usually need ROM therapy for life. These are users affected by permanent disability that ROM will not resolve. In large part long term users continue ROM therapy daily for the quality of life improvements they see. Users typically suffer from,

  1. Spinal Cord Injury
  2. Multiple Sclerosis[3]
  3. Parkinson's Disease[3]
  4. Arthritis
  5. Wheelchair Users
  6. TBI
  7. Stroke[4]
  8. Daily ROM exercise

One of the major benefits of ROM therapy for those users confined to wheelchairs is the daily movement of their limbs. This movement helps circulate the blood to extremities helping reduce the risks of blood clots, sores, and muscle tone reduction. With the help of ROM therapy, quality of life for such users can be greatly improved.[5] For elderly users, a ROM therapy program will help improve their quality of life though exercise.[6]

Range of motion exercises

Range of motion exercise refers to activity aimed to improving movement of a specific joint. This motion is influenced by several structures: configuration of bone surfaces within the joint, joint capsule, ligaments, tendons, and muscles acting on the joint.[7] Range of motion exercises are also called "ROM" exercises. There are three types of ROM exercises: passive, active, and active assists. Passive range of motion is movement applied to a joint solely by another person or persons or a passive motion machine. When passive range of motion is applied, the joint of an individual receiving exercise is completely relaxed while the outside force moves the body part, such as a leg or arm, throughout the available range. Injury, surgery, or immobilization of a joint may affect the normal joint range of motion.[8]

Active range of motion is movement of a joint provided entirely by the individual performing the exercise. In this case, there is no outside force aiding in the movement. Active assist range of motion is described as a joint receiving partial assistance from an outside force. This range of motion may result from the majority of motion applied by an exerciser or by the person or persons assisting the individual. It also may be a half-and-half effort on the joint from each source.[7][8]

Types of passive ROMs

  • Head and neck exercises
  • Shoulder and elbow exercises
  • Forearm and wrist exercises
  • Hand and finger exercises
  • Hip and knee exercises
  • Ankle and foot exercises

ROM Medical Devices

Ex N' Flex Active/Passive Range of Motion medical device, Model EF-250. Manufactured in Canada by Tecogics Scientific Ltd.[9]

There are several Range of Motion medical devices on the market. Designed with the goal of facilitating repetitive ROM therapy, they are mainly employed by users who require long term ROM therapy in a home setting where access to a Physiotherapist for daily ROM therapy is not feasible. In the context of Long Term users, there are a small variety of ROM Therapy devices on the market designed for home use.

Not all devices seen on the market are Medical Devices, something prospective users should be aware of before purchasing their new ROM device. Due to the niche market of ROM therapy devices, the manufacturing market is rather small. These ROM therapy devices are designed to be either Active, Passive, or Active/Passive in nature. Costs range from $3,000-$15,000 for motorized Active/Passive devices, while non motorized devices can range from $200-$5,000 depending on supplier. Purchasing direct from a manufacture is difficult, but some do allow private sales direct to users.

ROM Therapy and COVID-19

The global COVID-19 Pandemic has introduced more people to Range of Motion therapy. Due to the varying global lockdowns, many people became significantly less mobile and began to lose their ROM. This was especially prevalent in Long Term Care homes where elderly residents where confined to their rooms, there by losing the ability to actively move.[10][11] This new sedentary lifestyle has led to an increase demand for ROM therapy in the hopes of getting elderly patients their range of motion back.

References

  1. ↑ Daniel Miller (December 8, 2008). "Push and pull: Romfab faces resistance to its exercise machine due to a high price and claim of a full workout in four minutes". Entrepreneur Magazine, Los Angeles Business Journal. http://www.entrepreneur.com/tradejournals/article/191214391.html. 
  2. ↑ "Passive Range of Motion Explained and Exercises to Try" (in en). 2019-06-28. https://www.healthline.com/health/passive-range-of-motion. 
  3. ↑ 3.0 3.1 Norris, Forbes H.; Smith, Richard A.; Denys, Eric H. (1985). "Motor Neurone Disease: Towards Better Care". British Medical Journal (Clinical Research Edition) 291 (6490): 259–262. doi:10.1136/bmj.291.6490.259. ISSN 0267-0623. PMID 3926148. 
  4. ↑ Hurwitz, L. J. (1969). "Practical Neurology: Management Of Major Strokes". The British Medical Journal 3 (5672): 699–702. ISSN 0007-1447. https://www.jstor.org/stable/20377788. 
  5. ↑ "Passive/Active Exercise" (in en-US). 1999-11-30. https://www.abilities.ca/health-activity/passiveactive-exercise/. 
  6. ↑ Aveiro, Mariana Chaves; Driusso, Patricia; Santos, Julia Gianjoppe dos; Kiyoto, Viviane Dassi; Oishi, Jorge (September 2013). "Effects of a physical therapy program on quality of life among community-dwelling elderly women: randomized-controlled trial" (in en). Fisioterapia em Movimento 26 (3): 503–513. doi:10.1590/S0103-51502013000300004. ISSN 0103-5150. http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-51502013000300004&lng=en&nrm=iso&tlng=en. 
  7. ↑ 7.0 7.1 "range of motion exercise - definition of range of motion exercise in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia". Medical-dictionary.thefreedictionary.com. http://medical-dictionary.thefreedictionary.com/range+of+motion+exercise. Retrieved 2012-07-19. 
  8. ↑ 8.0 8.1 "Passive Range Of Motion Exercises - Care Guide". Drugs.com. https://www.drugs.com/cg/passive-range-of-motion-exercises.html. Retrieved 2012-07-19. 
  9. ↑ "Ex N' Flex EF-250" (in en-gb). https://www.exnflex.com/products/ef-250. 
  10. ↑ "How physiotherapists are getting coronavirus patients moving again" (in en-US). https://globalnews.ca/news/7157216/coronavirus-canada-physiotherapy-recovery/. 
  11. ↑ Wood, Winnie; Tschannen, Dana; Trotsky, Alyssa; Grunawalt, Julie; Adams, Danyell; Chang, Robert; Kendziora, Sandra; Diccion-MacDonald, Stephanie (2014). "A Mobility Program for an Inpatient Acute Care Medical Unit". The American Journal of Nursing 114 (10): 34–40. doi:10.1097/01.NAJ.0000454850.14395.eb. ISSN 0002-936X. PMID 25210811. https://www.jstor.org/stable/24466619. 




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