Sedentary Work Exerting up to 10 pounds (4.5 kg) of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally and other sedentary criteria are met.

Light Work Exerting up to 20 pounds (9.1 kg) of force occasionally and/or up to 10 pounds (4.5 kg) of force frequently, and/or negligible amount of force constantly to move objects. Physical demand requirements are in excess of those for Sedentary Work. Light Work usually requires walking or standing to a significant degree. However, if the use of the arm and/or leg controls requires exertion of forces greater than that for Sedentary Work and the worker sits most the time, the job is rated Light Work.

Medium Work Exerting up to 50 (22.7 kg) pounds of force occasionally, and/or up to 25 pounds (11.3 kg) of force frequently, and/or up to 10 pounds (4.5 kg) of forces constantly to move objects.

Heavy Work Exerting up to 100 pounds (45.4 kg) of force occasionally, and/or up to 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Very Heavy Work Exerting in excess of 100 pounds (45.4 kg) of force occasionally, and/or in excess of 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Job Classification

In most duration tables, five job classifications are displayed. These job classifications are based on the amount of physical effort required to perform the work. The classifications correspond to the Strength Factor classifications described in the United States Department of Labor's Dictionary of Occupational Titles. The following definitions are quoted directly from that publication.

Sedentary Work Exerting up to 10 pounds (4.5 kg) of force occasionally and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. Sedentary work involves sitting most of the time, but may involve walking or standing for brief periods of time. Jobs are sedentary if walking and standing are required only occasionally and other sedentary criteria are met.

Light Work Exerting up to 20 pounds (9.1 kg) of force occasionally and/or up to 10 pounds (4.5 kg) of force frequently, and/or negligible amount of force constantly to move objects. Physical demand requirements are in excess of those for Sedentary Work. Light Work usually requires walking or standing to a significant degree. However, if the use of the arm and/or leg controls requires exertion of forces greater than that for Sedentary Work and the worker sits most the time, the job is rated Light Work.

Medium Work Exerting up to 50 (22.7 kg) pounds of force occasionally, and/or up to 25 pounds (11.3 kg) of force frequently, and/or up to 10 pounds (4.5 kg) of forces constantly to move objects.

Heavy Work Exerting up to 100 pounds (45.4 kg) of force occasionally, and/or up to 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Very Heavy Work Exerting in excess of 100 pounds (45.4 kg) of force occasionally, and/or in excess of 50 pounds (22.7 kg) of force frequently, and/or in excess of 20 pounds (9.1 kg) of force constantly to move objects.

Meniscectomy and Meniscus Repair


Related Terms

  • Cartilage Surgery
  • Meniscus Shaving
  • Partial Meniscectomy

Specialists

  • Orthopedic (Orthopaedic) Surgeon
  • Physiatrist (Physical Medicine and Rehabilitation Specialist)
  • Physical Therapist

Comorbid Conditions

Factors Influencing Duration

The type of procedure; the occurrence of complications; and the individual's job requirements, ability to modify work activities, and compliance with rehabilitation may affect duration of disability.

Medical Codes

ICD-9-CM:
80.6 - Excision of Semilunar Cartilage of Knee; Meniscectomy; Excision of Meniscus of Knee
81.42 - Five-in-one Repair of Knee; Medial Meniscectomy, Medial Collateral Ligament Repair, Vastus Medialis Advancement, Semitendinosus Advancement, and Pes Anserinus Transfer
81.43 - Triad Knee Repair; Medial Meniscectomy with Repair of the Anterior Cruciate Ligament and the Medial Collateral Ligament; ODonoghue Procedure
81.47 - Repair of Knee, Other

Rehabilitation

The primary focus of rehabilitation following a meniscectomy or meniscus repair is to control pain and restore function. The rehabilitation program will be dependent on the surgical procedure and the protocol of the treating physician.

The first goal of rehabilitation is independent ambulation. Gait training with an assistive device may be necessary, with weight bearing as indicated by the physician. If, at the beginning, pain is an issue, modalities such as heat and cold may be used. After the early postoperative period, it is common to begin physical therapy with a heat treatment in order to relax the tissues around the knee and to conclude with a cold treatment in order to control the pain and swelling that may follow exercise. The physician will determine use of compressive wraps or devices.

The next goal is to restore motion and strength to the involved knee. Passive range of motion exercises are usually begun immediately to help restore full mobility to the joint. If a meniscus repair has been performed, particularly one involving the posterior meniscus, knee flexion may be restricted to 90 degrees for the first 6 weeks to avoid displacement (Brockmeier). During the first 4 to 6 weeks after repair, the joint should be protected by a knee brace during ambulation, with weight bearing progression dictated by the type of repair performed (Brockmeier). Initial strengthening exercises are non-aggressive and typically static (isometric) (Lento).

Exercise may be progressed based on the recommendations of the physician. It may be necessary to strengthen the adjacent joints if limited weight bearing was necessary pre- or post-operatively. Therapy should progress to strengthening exercises as tolerated, and should include flexibility exercises throughout the period of strengthening. While strong muscles around the joint are critical, flexibility of the same muscle groups must be considered. It is important to emphasize closed chain exercises, in which the foot is stabilized, as well as open chain exercises, in which the foot is free to move, when appropriate (Lento). Therapy may continue to include the use modalities as needed to control pain and swelling. Individuals can be instructed in a home exercise program to be performed independently to complement the supervised exercise regimen.

When full, pain-free motion is regained and the individual has sufficient strength for all activities of daily living, the individual may be progressed to balance and proprioceptive exercises. The physician, individual, and physical therapist will determine the extent of these exercises.

Before discharge from physical therapy, individuals should understand both the need for continued exercise to maintain the stability of the knee joint and ways to protect the joint during work and leisure activities. Although a meniscus can heal within approximately 12 weeks, the joint may still need to be protected from heavy loading until the meniscus has regained its full strength. If a meniscectomy were performed, the degree of knee loading during work and leisure activities must be considered and discussed with the physician prior to return to work. After meniscus repair, full heavy work and athletic activities may be delayed for 16 to 24 weeks (Brockmeier; Lento).

FREQUENCY OF REHABILITATION VISITS
Surgical (meniscectomy)
SpecialistMeniscectomy and Meniscus Repair
Physical TherapistUp to 12 visits within 6 weeks
Surgical (meniscus repair)
SpecialistMeniscectomy and Meniscus Repair
Physical TherapistUp to 24 visits within 12 weeks
Note on Surgical (Meniscus Repair) Guidelines: In a meniscal repair it can take the tissue up to 4 months to heal, and the final exercises cannot be started until the tissues are healed. Individuals can likely return to certain work before full healing has occurred but may need continued rehabilitation.
The table above represents a range of the usual acceptable number of visits for uncomplicated cases. It provides a framework based on the duration of tissue healing time and standard clinical practice.

Source: Medical Disability Advisor






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