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. 2023 Jul 20;11(14):2079.
doi: 10.3390/healthcare11142079.

Concentric Isokinetic Strengthening Program's Impact on Knee Biomechanical Parameters, Physical Performance and Quality of Life in Overweight/Obese Women with Chronic Meniscal Lesions

Nadhir Hammami  1 , Amani Mechraoui  1 , Soukaina Hattabi  1 , Pedro Forte  2   3   4   5 , Tatiana Sampaio  4   5 , Andrew Sortwell  4   6 , José E Teixeira  7 , Luís Branquinho  2   3   4 , Ricardo Ferraz  4   8 , Anissa Bouassida  1   2
Affiliations

Concentric Isokinetic Strengthening Program's Impact on Knee Biomechanical Parameters, Physical Performance and Quality of Life in Overweight/Obese Women with Chronic Meniscal Lesions

Nadhir Hammami et al. Healthcare (Basel). .

Abstract

Meniscal injuries are one of the most common intra-articular knee injuries. Different treatments are presented depending on the symptoms and duration of meniscus tears, such as arthroscopic partial meniscectomy, physiotherapy, or even pharmacological treatment. The purpose was to investigate the effect of a concentric isokinetic knee muscle strengthening program on strength, joint range of motion, physical performance, quality of life and pain tolerance in overweight/obese women with chronic meniscal lesions. Twenty-four overweight/obese women were randomized into two groups. A control group (CG) performed a usual rehabilitation program plus isokinetic muscle strengthening (IMS) in the continuous passive motion mode and measured with an isokinetic dynamometer. An experimental group (EG) performed the same program in combination with IMS in the isokinetic active mode. The peak torque of the knee extensors (PTE) and flexors (PTF), sit-to-stand test, stair climb test, joint amplitude, heel-to-buttock distance, Thessaly test, KOOS questionnaire of pain and quality of life were measured pre- and post-protocol. After the intervention, the sit-stand number for both groups was significantly higher (p < 0.001) and the time to climb stairs was significantly reduced for the EG (p < 0.001). A significant improvement in joint range of motion, life quality (p < 0.001), relief in knee pain (p < 0.001) and in the post-program evaluation at the EG (p < 0.05) was noted. There was no significant difference in PTE and PTF between groups at 60°/s and 180°/s. The IMS in the active mode could be an effective therapeutic modality in managing middle-aged patients suffering from a degenerative meniscal tear.

Keywords: degenerative meniscal lesion; meniscus; middle-aged; obesity, continuous mode; strength dynamometer.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Study Design Chart.
Figure 2
Figure 2
Placement of the patient on the isokinetic dynamometer.
Figure 3
Figure 3
Joint amplitude measurement.
Figure 4
Figure 4
Heel-to-buttock distance (HBD) measurement.
See this image and copyright information in PMC

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Grants and funding

This research was funded by Portuguese Foundation for Science and Technology, I.P.: UIDB/04045/2021.

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