Muscle Quality Index as a Predictor of Hip Osteoarthritis

Abstract

Objective: To determine the utility of the muscle quality index (MQI) as a predictor of osteoarthritis (OA) and to assess the influence of strength and body composition manifestations in subjects with hip OA. Methods: Fifty subjects (21 men and 29 women, 66.4 ± 5.3 years) participated in this study. Of them, 25 subjects had unilateral hip OA, and 25 healthy subjects. The 2 groups were matched by age and sex. We evaluated muscle perimeter, length of the upper limb, body mass, and administered the sit-to-stand test, which measures the time it takes to rise and sit 10 times, and the MQI, in addition to the maximum voluntary isometric contraction in hip flexion and extension movements. Results: The OA group presented significantly (P < .05) higher body mass index, but lower fat mass and greater leg length. In turn, significant differences were observed between the groups for the sit-to-stand test (P = .002) and, as a consequence, in the MQI (P = .003). The binary logistic regression analysis shows that a higher MQI is a protective factor against OA, with the cut-off point being 144.20. Conclusion: The MQI is a complementary tool for the diagnosis and monitoring of OA in elderly people.

Hip Muscle Atrophy and Hip Osteoarthritis-Evidence and Continuing Challenges

“…As well, while the current research appears promising for helping to reduce the suffering attributable to hip osteoarthritis, the use of single rather than multiple measures or theorizing about-but not measuring muscle mass attributes in any way-may fail to clearly depict the presence and implications of any actual degree of excess muscle atrophy as far as this could markedly impact muscle function and possible joint physiology [41,42]. Moreover, while Vadala, et al, indicate a possible negative role for muscle intrinisc structures and fatty infiltration of the muscle in the context of hip osteoarthritis, what the role of muscles other than those studied may play in this regard or whether the observed tendon pathology that was observed was the cause or consequence of the severe hip joint damage that emerged over time could not be discerned from the limited muscle analysis [43].…”

Exploration of the Shoulder Internal Rotation’s Influence on Throwing Velocity in Handball Players: A Pilot Study

“…FEMD requires the active stabilization of participants in strength assessments, which enables a better posture for the strength application in handball-throwing sports. Previous research used FEMD in a novel way to evaluate the trunk [ 31 , 32 ], lower limb [ 33 , 34 , 35 ] isometric hip strength [ 36 ], muscle quality and isometric strength in elderly women [ 37 ] and in older adults with hip osteoarthritis [ 37 , 38 ], and shoulder rotator strength [ 25 , 39 ]. However, FEMD has never been used to calculate the F-V profile, and shoulder internal rotation strength has never been assessed in an isotonic way.…”

Test–Retest Reliability of Functional Electromechanical Dynamometer on Five Sit-to-Stand Measures in Healthy Young Adults

“…Currently, the development of the functional electromechanical dynamometer (FEMD) (as opposed to the angular isokinetic devices) [ 28 ] allows systematizing and controlling multiple components of the load during the performance of natural movements, such as the range and velocity of movement, magnitude of resistance, control of strength exercised and type of muscle contraction (isometric, concentric and eccentric). In this regard, studies have assessed the reliability and validity [ 29 , 30 , 31 , 32 ] and used the FEMD [ 33 , 34 , 35 , 36 , 37 , 38 ] under different experimental modalities and muscle groups. However, studies that propose to assess the reliability of the STS test using this type of technology have not been previously developed.…”