Anterior thigh tissue thickness measured using ultrasound imaging in older recreational female golfers and sedentary controls

Abstract

Physical activity is vital for the prevention of sarcopenia and frailty. The training effects of recreational golf on muscle function in older people are unknown. The present study examined quadriceps muscle and subcutaneous fat thickness in 66 older females. Thirty-one golfers (mean age 69.1 years, standard deviation ±3.4) were compared with 35 less active non-golfers (73.4 ± 4.2 years). Images of the dominant anterior thigh were obtained using real-time B-mode ultrasound imaging. Thickness of muscle (rectus femoris, vastus intermedius, and intermuscular fascia) and subcutaneous tissue (fat and perimuscular fascia) was measured, and percentage contributions calculated. Muscle thickness was significantly greater (p < 0.001) in golfers (mean 2.78 cm ± 0.73 cm) than non-golfers (2.18 cm ± 0.55 cm). Mean percentage contribution of muscle and non-contractile tissue was 64% ± 9% and 36% ± 9%, respectively, in golfers, compared to 58% ± 8% and 42% ± 8% in non-golfers (p = 0.013). Multiple linear regression analysis, controlling for age and BMI, showed that golfers still had higher total anterior thigh thickness (regression parameter for non-golfers B = −0.984, p = 0.004) and higher muscle thickness (B = −0.619, p = 0.002). This study indicates an association between recreational golf and greater relative thigh muscle thickness and lower subcutaneous fat than in less active controls. Training effects need to be examined in prospective controlled trials in males and females in different age groups

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Identifiers

ORCID for Simon Brown: orcid.org/0000-0001-9646-3285

ORCID for Martin Warner: orcid.org/0000-0002-1483-0561

ORCID for Sean Ewings: orcid.org/0000-0001-7214-4917

ORCID for Dinesh Samuel: orcid.org/0000-0003-3610-8032

ORCID for Maria Stokes: orcid.org/0000-0002-4204-0890

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