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eccentric isokinetic knee extensor strength machine  (Biodex Medical)

 
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    Biodex Medical eccentric isokinetic knee extensor strength machine
    Meta-analysis of concentric <t>isokinetic</t> knee extensor strength differences between individuals with knee osteoarthritis and healthy controls.
    Eccentric Isokinetic Knee Extensor Strength Machine, supplied by Biodex Medical, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/knee+extensors+machine/extensor+knee+leg+toassessmaximal+torqueusingadynamometer/pmc12946006-24-48-56
    Average 86 stars, based on 1 article reviews
    eccentric isokinetic knee extensor strength machine - by Bioz Stars, 2026-09
    86/100 stars

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    1) Product Images from "Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis"

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis

    Journal: Frontiers in Medicine

    doi: 10.3389/fmed.2026.1737973

    Meta-analysis of concentric isokinetic knee extensor strength differences between individuals with knee osteoarthritis and healthy controls.
    Figure Legend Snippet: Meta-analysis of concentric isokinetic knee extensor strength differences between individuals with knee osteoarthritis and healthy controls.

    Techniques Used:

    Meta-analysis of concentric isokinetic knee extensor strength differences according to speed of movement during strength assessment. The total number of controls displayed in the forest plot reflects repeated use of the same control samples across movement-velocity subgroups; the number of unique healthy control participants included in this analysis was 235.
    Figure Legend Snippet: Meta-analysis of concentric isokinetic knee extensor strength differences according to speed of movement during strength assessment. The total number of controls displayed in the forest plot reflects repeated use of the same control samples across movement-velocity subgroups; the number of unique healthy control participants included in this analysis was 235.

    Techniques Used: Control

    Meta-analysis of concentric isokinetic knee flexor strength differences between individuals with knee osteoarthritis and healthy controls.
    Figure Legend Snippet: Meta-analysis of concentric isokinetic knee flexor strength differences between individuals with knee osteoarthritis and healthy controls.

    Techniques Used:

    Meta-analysis of concentric isokinetic knee flexor strength differences according to speed of movement during strength assessment.
    Figure Legend Snippet: Meta-analysis of concentric isokinetic knee flexor strength differences according to speed of movement during strength assessment.

    Techniques Used:

    Related Articles

    Control:

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis
    Article Snippet: Vårbakken et al. ( ) , n = 31 (15M/16F) , 55.3 ± 8.0 , KL 2–4 , n = 28 (10M/18F) , Sex, BMI, height, weight , Without knee pain or knee complaints , Concentric isokinetic strength of knee extensors and flexors Machine: biodex System 4 Dynamometer (Biodex Medical Systems, NY, USA) Starting position: seated, with back rest tilted 70° Repetitions and rest: five consecutive maximum strength tests Speed of movement: 60°/s , There was a significant difference in knee extensor torque between groups ( P = 0.012), while no significant differences were observed in knee flexor torque ( P = 0.114). .. Yagi et al. ( ) , n = 22 (22F) , 69.5 ± 5.4 , KL 2–4 , n = 15 (15F) , Age, sex, height , Asymptomatic , a) Knee flexion and extension RoM Passive knee RoM was measured in flexion and extension with a goniometer b) Isometric strength of knee extensors Machine: dynamometer Biodex System 4, Biodex Medical Systems, Inc Starting position: seated, with 45° of knee flexion Repetitions and rest: two repetitions of maximum voluntary contraction for 5s , Healthy controls exhibited significantly greater knee RoM in both flexion ( P = 0.003) and extension ( P = 0.024). Isometric MVC torque was also significantly greater in the control group ( P < 0.001). .. Yang et al. ( ) , n = 18 (14M/4F) , 63.88 ± 6.5 , KL 2–3 , n = 18 (13M/5F) , Age, sex, BMI, weight, height , / , Concentric isokinetic strength of knee extensors and flexors Machine: biodex isokinetic dynamometer (System 4, Biodex Inc., Shirley, NY, United States) Starting position: seated repetitions and rest: the concentric/concentric pattern was repeated 3 times, with 5 min break between each set of tests Speed of movement: 60°/s, 120°/s, 180°/s , Compared to healthy controls, KOA patients had significantly smaller peak torque at all speeds ( P < 0.05).

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis
    Article Snippet: Ling et al. ( ) , n = 21 (10M/11F) , 65.49 ± 2.8 , KL 1–4 , n = 18 (12M/6F) , Age, sex , No knee symptoms, KL0 , Isometric strength of knee extensors Machine: KIN-Com 125E dynamometer (Chattecx, Chattanooga, TN) Starting position: knee angle of 60° of flexion Repetitions and rest: three trials , Participants with KOA exhibited lower isometric knee extensor strength than controls ( P = 0.016). .. Rodriguez-Lopez et al. ( ) , n = 18 (18F) , 69.6 ± 7.3 , KL 2–4 , n = 26 (26F) , Age, sex, BMI , Asymptomatic and no history of knee pain , Isometric strength of knee extensors Machine: biodex Medical System 3 dynamometer (Biodex Medical Systems, Shirley, NY) Starting position: Knee joint angle of 90° Repetitions and rest: four 5s maximal voluntary isometric ramp contractions, separated by 20s rest interval , KOA subjects showed lower isometric strength compared to control subjects ( P = 0.001). .. Sanchez-Ramirez et al. ( ) , G1 (early KOA): n = 14 (14F) G2 (established KOA): n = 19 (19F) , G1: 70.4 ± 4.6 G2: 68.37 ± 6.7 , G1: KL 1 G2: KL ≥ 2 , n = 14 (14F) , Age, sex, BMI, weight, height , No history of knee symptoms or characteristics associated with knee OA, KL 0 , Isometric strength of knee extensors and flexors Machine: biodex System 3 Pro (Biodex Medical System, Shirley, NY, USA) Starting position: measured in 60° of flexion position Repetitions and rest: three trials of each leg , Control subjects demonstrated significantly higher isometric knee flexor torque compared to the established KOA group ( P = 0.011). However, no significant differences were observed between the control group and the early KOA group for knee flexor strength ( P = 0.217). There were also no significant differences in isometric knee extensor torque among the groups ( P = 0.362).



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    Image Search Results


    Meta-analysis of concentric isokinetic knee extensor strength differences between individuals with knee osteoarthritis and healthy controls.

    Journal: Frontiers in Medicine

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis

    doi: 10.3389/fmed.2026.1737973

    Figure Lengend Snippet: Meta-analysis of concentric isokinetic knee extensor strength differences between individuals with knee osteoarthritis and healthy controls.

    Article Snippet: Serrao et al. ( ) , n = 22 (22M) , 52 ± 8.1 , KL 1–2 , n = 18 (18M) , Sex , No joint disorders, no radiographic alterations, KL = 0, no history of lower limb pain, illness, injury, trauma or fracture , Concentric and eccentric isokinetic knee extensor strength Machine: Isokinetic dynamometer (Biodex Multi-Joint System 3, Biodex Medical Inc, Shirley, NY) Starting position: Seated with knee flexed at 90°. Range of motion: from 20° to 90° Repetitions and rest: five maximal voluntary concentric and five maximal voluntary eccentric contractions at an angular speed of 90°/s and 10 maximal concentric and 10 maximal eccentric contractions at an angular speed of 180°/s. The rest between each type of contraction and velocities lasted for 5 min. Speed of movement: 90°/s and 180°/s , In the analysis of concentric knee extensor strength, no differences were found between the groups at any angular speed ( P = 0.73 at 90°/s; P = 0.97 at 180°/s). For eccentric knee extensor strength, differences were found between the groups at 90°/s ( P = 0.01) and at 180°/s ( P = 0.04), with higher values for the control group.

    Techniques:

    Meta-analysis of concentric isokinetic knee extensor strength differences according to speed of movement during strength assessment. The total number of controls displayed in the forest plot reflects repeated use of the same control samples across movement-velocity subgroups; the number of unique healthy control participants included in this analysis was 235.

    Journal: Frontiers in Medicine

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis

    doi: 10.3389/fmed.2026.1737973

    Figure Lengend Snippet: Meta-analysis of concentric isokinetic knee extensor strength differences according to speed of movement during strength assessment. The total number of controls displayed in the forest plot reflects repeated use of the same control samples across movement-velocity subgroups; the number of unique healthy control participants included in this analysis was 235.

    Article Snippet: Serrao et al. ( ) , n = 22 (22M) , 52 ± 8.1 , KL 1–2 , n = 18 (18M) , Sex , No joint disorders, no radiographic alterations, KL = 0, no history of lower limb pain, illness, injury, trauma or fracture , Concentric and eccentric isokinetic knee extensor strength Machine: Isokinetic dynamometer (Biodex Multi-Joint System 3, Biodex Medical Inc, Shirley, NY) Starting position: Seated with knee flexed at 90°. Range of motion: from 20° to 90° Repetitions and rest: five maximal voluntary concentric and five maximal voluntary eccentric contractions at an angular speed of 90°/s and 10 maximal concentric and 10 maximal eccentric contractions at an angular speed of 180°/s. The rest between each type of contraction and velocities lasted for 5 min. Speed of movement: 90°/s and 180°/s , In the analysis of concentric knee extensor strength, no differences were found between the groups at any angular speed ( P = 0.73 at 90°/s; P = 0.97 at 180°/s). For eccentric knee extensor strength, differences were found between the groups at 90°/s ( P = 0.01) and at 180°/s ( P = 0.04), with higher values for the control group.

    Techniques: Control

    Meta-analysis of concentric isokinetic knee flexor strength differences between individuals with knee osteoarthritis and healthy controls.

    Journal: Frontiers in Medicine

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis

    doi: 10.3389/fmed.2026.1737973

    Figure Lengend Snippet: Meta-analysis of concentric isokinetic knee flexor strength differences between individuals with knee osteoarthritis and healthy controls.

    Article Snippet: Serrao et al. ( ) , n = 22 (22M) , 52 ± 8.1 , KL 1–2 , n = 18 (18M) , Sex , No joint disorders, no radiographic alterations, KL = 0, no history of lower limb pain, illness, injury, trauma or fracture , Concentric and eccentric isokinetic knee extensor strength Machine: Isokinetic dynamometer (Biodex Multi-Joint System 3, Biodex Medical Inc, Shirley, NY) Starting position: Seated with knee flexed at 90°. Range of motion: from 20° to 90° Repetitions and rest: five maximal voluntary concentric and five maximal voluntary eccentric contractions at an angular speed of 90°/s and 10 maximal concentric and 10 maximal eccentric contractions at an angular speed of 180°/s. The rest between each type of contraction and velocities lasted for 5 min. Speed of movement: 90°/s and 180°/s , In the analysis of concentric knee extensor strength, no differences were found between the groups at any angular speed ( P = 0.73 at 90°/s; P = 0.97 at 180°/s). For eccentric knee extensor strength, differences were found between the groups at 90°/s ( P = 0.01) and at 180°/s ( P = 0.04), with higher values for the control group.

    Techniques:

    Meta-analysis of concentric isokinetic knee flexor strength differences according to speed of movement during strength assessment.

    Journal: Frontiers in Medicine

    Article Title: Disease severity affects knee range of motion but not strength deficits in knee osteoarthritis: a systematic review and meta-analysis

    doi: 10.3389/fmed.2026.1737973

    Figure Lengend Snippet: Meta-analysis of concentric isokinetic knee flexor strength differences according to speed of movement during strength assessment.

    Article Snippet: Serrao et al. ( ) , n = 22 (22M) , 52 ± 8.1 , KL 1–2 , n = 18 (18M) , Sex , No joint disorders, no radiographic alterations, KL = 0, no history of lower limb pain, illness, injury, trauma or fracture , Concentric and eccentric isokinetic knee extensor strength Machine: Isokinetic dynamometer (Biodex Multi-Joint System 3, Biodex Medical Inc, Shirley, NY) Starting position: Seated with knee flexed at 90°. Range of motion: from 20° to 90° Repetitions and rest: five maximal voluntary concentric and five maximal voluntary eccentric contractions at an angular speed of 90°/s and 10 maximal concentric and 10 maximal eccentric contractions at an angular speed of 180°/s. The rest between each type of contraction and velocities lasted for 5 min. Speed of movement: 90°/s and 180°/s , In the analysis of concentric knee extensor strength, no differences were found between the groups at any angular speed ( P = 0.73 at 90°/s; P = 0.97 at 180°/s). For eccentric knee extensor strength, differences were found between the groups at 90°/s ( P = 0.01) and at 180°/s ( P = 0.04), with higher values for the control group.

    Techniques: