Squatting versus squatting with hip adduction in management of patellofemoral osteoarthritis: A randomized controlled trial

Adel, Jilan; Koura, Ghada Mohamed; Hamada, Hamada Ahmed; Borady, Amal A El; Elhabashy, Hala; Balbaa, Alaa Eldin; Saab, Ibtissam M.

doi:10.3233/bmr-171073

Cited by 3 publications

(2 citation statements)

References 34 publications

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“…Strength in the hip adductors lengthens the vastus medialis oblique (VMO), changing its length tension characteristics and allowing it to perform better with more positive contractile force. 28 However, other studies in the squat position have shown that recruiting hip flexors weakens the hip vastus lateralis (VL), has a more severe effect on patellofemoral pain syndrome, and induces higher adduction rotational forces. 29,30 Many studies have been conducted to investigate the effectiveness of hip adductor strength exercises in treating patellofemoral pain syndrome.…”

Section: Introductionmentioning

confidence: 99%

The Effects of a Forward Lunge with Hip Adduction on Muscle Activity and Plantar Pressure in Healthy Subjects

Zhou¹,

Kim²

2023

J Musculoskelet Sci Technol

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According to some studies, patellofemoral pain syndrome accounts for 25% to 40% of knee patients, although the actual incidence is still unclear. 2 Various studies have shown that patellofemoral pain syndrome affects women more than men, with a ratio close to 2:1. 3,4 The prevalence of patellofemoral pain syndrome in adolescent patients exceeds 20%.If not treated for an extended period of time, this is associated with a poor prognosis and a high rate of invalidity. 5 Patellofemoral pain syndrome is a common type of knee pain that affects adults and young people as well as active and healthy workers. 5 The main characteristic of patellofemoral pain syndrome is pain in or around the anterior knee that worsens with activities that increase patellofemoral loading, such as stair climbing, sitting with the knee bent,

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Section: Introductionmentioning

confidence: 99%

The Effects of a Forward Lunge with Hip Adduction on Muscle Activity and Plantar Pressure in Healthy Subjects

Zhou¹,

Kim²

2023

J Musculoskelet Sci Technol

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“…A 2019 randomized control trial examined the effectiveness of squatting compared with squatting and hip adduction rehabilitation in management of patellofemoral osteoarthritis in adult females (N=30). 2 Patients had anterior or retropatellar knee pain aggravated by at least two activities that loaded the patellofemoral joint most of the days of the month. Ages ranged between 35 and 50 years old, average age 37 years old.…”

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confidence: 99%

Is physical therapy effective treatment of patellofemoral osteoarthritis?

Nielsen

Daly

2020

EBPR

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Effects of Hip Adduction and Abduction Forward Lunge on Muscle Activity and Center of Pressure in Healthy Subjects: A Pilot Study

Zhou,

Yan,

Tian

et al. 2024

Applied Sciences

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Patellofemoral pain syndrome (PFPS) ranks among the most prevalent factors causing anterior knee pain. Quadriceps exercises such as forward lunges are important to treat PFPS. Aim: We investigated whether there is a difference in muscle activity between the vastus medialis oblique (VMO) and vastus lateralis (VL) muscles and the center of pressure (CoP) among three hip positions, namely, hip adduction forward lunge (HADF), hip neutral forward lunge (HNEF), and hip abduction forward lunge (HABF), in healthy subjects. Method: This was a randomized controlled pilot study that included twenty healthy (age: 23.7 ± 2.51) volunteers. The CoP was measured using a “Wii Balance Board” from Nintendo, and VMO and VL muscle activity were measured via wireless surface electromyography. Results: The CoP outcomes showed significant differences among the three positions in terms of position (p < 0.001), sum distance (p < 0.001), range (p < 0.001), and max distance (p < 0.001). VMO (p < 0.000), and VL (p < 0.005) muscle activity and the ratio of VMO/VL (p < 0.000) significantly differed among the three positions. Conclusions: Although VMO and VL muscle activity increased in the HADF and HABF, excessive changes in the CoP occurred in the two positions. The change in the CoP during the HADF and HABF may result in valgus, varus, and loading of the knee joint, which may worsen PFPS. The HNEF is recommended for quadriceps strengthening in healthy subjects and PFPS patients.

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Squatting versus squatting with hip adduction in management of patellofemoral osteoarthritis: A randomized controlled trial

Cited by 3 publications

References 34 publications

The Effects of a Forward Lunge with Hip Adduction on Muscle Activity and Plantar Pressure in Healthy Subjects

The Effects of a Forward Lunge with Hip Adduction on Muscle Activity and Plantar Pressure in Healthy Subjects

Is physical therapy effective treatment of patellofemoral osteoarthritis?

Effects of Hip Adduction and Abduction Forward Lunge on Muscle Activity and Center of Pressure in Healthy Subjects: A Pilot Study

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