Assessment of quadriceps muscles weakness

Muscle tissue, Weakness

Remember: This is just a sample from a fellow student. Your time is important. Let us write you an essay from scratch

Osteoarthritis (OA) is a long-term chronic disease involving the loss of cartilage in important joints which results in our bones rubbing together, creating rigidity, pain, and impaired activity.

Osteoarthritis is among the most common osteo-arthritis with a frequency of 22-39% in India. Primary osteoarthritis of the knee is a significant cause of impairment of range of motion of the decrease limb. There is no known treatment for this intensifying and pathological disease, producing effective rehabilitation particularly significant.

The knees joint includes three compartments”the medial tibiofemoral, lateral tibiofemoral, and patellofemoral”all sharing a common synovial cavity. The tibiofemoral is the biggest articulation in your body. The condyles of the femur rest within an incongruent fashion on the shallow convex area of the shin, thus the knee joint relies on various other structures to provide both stationary and energetic stability. This stability is definitely accomplished by the many soft tissue structures, particularly the muscles crossing the joint.

Apart from pre-established factors just like age, gender, body weight, level, activity level, the strength of quadriceps muscle has also been shown to effect pain and disability from the lower hands or legs.

The major medical symptom of leg OA is usually knee discomfort. [4]Symptomatic leg osteoarthritis is described as a K/L scale of at least mild radiographic osteoarthritis and symptoms in the same knees. The asymptomatic knee is usually significant in both specialized medical diagnosis and also measuring the population health burden. It is a main indication for most knee joint replacements.

Among the factors adding to knee soreness other than radiographic knee OA may be quadriceps muscle weak point.

The quadriceps muscle is the principal powerful stabilizer from the knee joint since it gives ample shock reducing for the knee during gait by virtue of its unconventional contraction. [6]

Quadriceps weakness is one of the initial scientific findings between persons with knee OA[9-12] which appears even before patient-reported symptoms and observed impairment and may play a vital role in disease growth. [16, 17] Quadriceps power has found to be reduced in patients with higher degrees of osteoarthritis in some studies. [8]The inability to adequately attenuate large compressive forces with the knee may result in impulsive loading which has been credited to quadriceps weakness and inactivity and may even be responsible for within osteoarthritis.

Quadriceps muscle some weakness could, as a result, predispose the knee joint to harm and trigger further degeneration of the existing injury. [2]Research has shown that higher quadriceps muscle power leads to a lower risk for event symptomatic knee OA. However , there is limited evidence to suggest that quadriceps muscle plays a significant position in the chance of radiographic knee OA. [6]

Quadriceps muscle weakness varieties a unique website link with systematic and radiographic knee osteo arthritis. The present study is a main step towards analyzing these types of links especially in the chosen inhabitants of the hilly region of Sullia, Dakshina Karnataka. Progressive diminution of quadriceps durability with increase in radiological levels of osteoarthritis may establish the concept of increasing the strength of quadriceps muscle to prevent the advancement of the disease or at least, decrease the pain and disability associated with this severely debilitating disease.


1 . To look for the isometric quadriceps strength in patients with painful symptomatic osteoarthritis with the knee

2 . To compare the isometric quadriceps strength in patients with mild, modest and severe radiological leg osteoarthritis

three or more. To identify the association of quadriceps durability with pain and disability in patients with knee osteoarthritis.


This examine will be a cross-sectional type of research.

Sample size estimation- Thinking about the prevalence of knee OA to be __ in adults in India and an permitted error of 5%, the sample size was computed by the method 4pq/l2 and located to be 55.

The participants are chosen based on comfort sampling method and the sample size is dependant upon the increase of individuals, with the particular conditions as i have said later. This kind of constitutes an average of 25 people per month in K. V. G Medical College and Hospital, therefore making the sample scale 50 individuals for 2 months of allotted study time.

The research population will be divided into two categories that happen to be further divided into three organizations each:

Kellgren-Lawrence grading (radiographic osteoarthritis)

Western Ontario McMaster Schools Osteoarthritis Index scoring pertaining to pain and disability (symptomatic osteoarthritis)

1 . Moderate osteoarthritis (K/L Grade I)

1 . Slight pain and disability

installment payments on your Severe osteo arthritis (K/L Levels III and IV)

2 . Modest pain and disability

3. Modest osteoarthritis (K/L Grade II)

3. Severe pain and disability

In the life long two months, individuals visiting Orthopedics Outpatient Office with problems of pain in the knee joint and fulfilling the inclusion conditions will be considered for this research, till the purpose of 50 themes is reached.

Inclusion standards:

1 . Themes aged over 40 years

2 . Patients revealing pain in knee joint, which is subtle in onset and long lasting for a duration of more than 30 days

3. Patients with knee radiographs in standing up position, showing features of osteo arthritis as per Kellgren-Lawrence (K/L) level more than or equal to K/L grade I actually.

Exclusion requirements:

1 . Individuals who are not willing to participate in the research and/or will not give the required consent type.

2 . Sufferers with a great recent or even old trauma to the same agonizing knee, directly or indirectly causing severe bony or ligament injuries, which has been written about in their previous medical data

several. Patients with vauge pain in multiple joints, implying the inflammatory origin of arthritis like rheumatoid arthritis, ankylosing spondylitis, etc .

4. Patients with a history of previous surgeries on the same painful knee or history of contamination, indicating septic arthritis

Informed consent will be taken from the subjects through a approval form. Confidentiality will be managed. The subject’s choice to participate in the research will not be affected under any circumstances.

Testing performed:

1 . Traditional western Ontario McMaster Universities Osteoarthritis Index (WOMAC) scoring pertaining to assessment of knee discomfort

installment payments on your Radiographic analysis using Kellgren-Lawrence grading

a few. Assessment of isometric quadriceps muscle durability by customized Hand Held Dynamometer


? Assessment of Knee Pain-

¢ All patients included will be subjected to the questionnaire as per Western Ontario McMaster Schools Osteoarthritis Index scoring including Visual Analog scale pertaining to categorizing their particular pain.

¢ In accordance with the scoring, patients will be sub-grouped into individuals with Mild pain and impairment, Moderate pain and handicap, and Extreme pain and disability.

? Radiographic evaluation-

¢ Radiographic evaluations consist of a great anteroposterior radiograph of the patient’s knee in the standing placement. The Kellgren and Lawrence scale of OA grading will be used.

¢ The patients will probably be sub-grouped according to Kellgren-Lawrence grading system in those with Slight osteoarthritis (K/L Grade I), Moderate osteo arthritis (K/L Grade II), Extreme osteoarthritis (K/L Grades III and IV). [5]

¢ Radiographs will probably be reported by a great academically based bone and joint radiologist.

? Assessment of Quadriceps Muscle mass Strength-

All of the patients will be subjected to isometric quadriceps durability measurement by using a modified hand held dynamometer.

? The patients will be instructed regarding the procedure and guided to sit on a fixed chair using their hips and knees flexed to 90o.

? They will place both hands issues upper lower limbs to avoid compensation.

? The patients will be advised to extend the leg resistant to the resistance made available from the dynamometer, leading to the contraction of the quadriceps muscle isometrically.

? A hand-held dynamometer, modified with straps tied up onto the affected lower leg over the rearfoot, will be used for the study. This is certainly a measure of the quadriceps muscle durability and the examining from the dynamometer is documented.

? Each sufferer will execute 3 trial offers, with a regenerating time of about 5 minutes among each trial and the optimum reading of strength amongst the 3 tests are taken as the final browsing. [13]

The subjects will certainly complete assessments of pain and functioning, strength, and radiographic assessments on the same day.

Statistical analysis:

The connection between leg pain, quadriceps strength and radiological features (K/L grading) will be decided using Multiple Logistics Regression Analysis. The analysis is carried out using SPSS Software package.


By determining the quadriceps power at an early on and later stage of osteoarthritis with reference to the levels of pain, this study intends to show the influence of quadriceps strength in the progress of the disease pattern.

Faltering to address durability deficits may also hold significant complications including further joint deterioration and continued functional decline. These kinds of deficits may persist following surgical intervention and prohibit functional restoration.

Physical activity applications can reduce pain, improve overall physical performance, lessen depressive symptoms, and prevent or perhaps postpone disability in knees osteoarthritis. [15] Rehabilitation therapists can introduce strengthening concours at an ideal stage to circumvent the devastating symptoms of this disease.

A large portion exists because subthreshold inhabitants or termes conseillés diagnoses. Understanding programmes needs to be initiated at the community level for the prevention of or early diagnosis of osteoarthritis upon the onset of symptoms. A long lasting study will be suitable to attain these desired goals.

Related essay