Effects of Concurrent Training on Physical Fitness and Body Composition in Obese Individuals (CONCOB)

Istituto Auxologico Italiano

Status: Enrolling

Conditions: Obesity

Treatments: Other: Strength Training; Other: Concurrent Training; Other: Aerobic training

Study type: Interventional

Funder types: Other

Identifiers

NCT05768581

43C202

Details and patient eligibility

About

Ample evidence demonstrates the beneficial role of physical activity combined with a structured dietary plan to counteract obesity. International guidelines as the World Health Organization states that to improve fitness levels at least 150 min a week of physical activity at moderate intensity, combined with resistance training composed of 8-12 repetitions with an intensity of 60-70%1RM for each muscle group, are recommended. In this regard, a minimum dosage of 60-90 min of physical activity composed by aerobic exercises in alternation with resistance training protocols, allow a sequential development of cardiorespiratory fitness and muscular strength parameters avoiding potential interference effects. Interference may occur when strength and endurance stimuli both target opposite peripheral adaptations (e.g., hypertrophy vs. muscle capillarization) and this phenomenon seems to be particularly clear during adolescence. Nevertheless, the incorporation of different training stimuli within the same training session is called Concurrent Training. This training mode, thanks to the activation of two different metabolic pathways (e.g., aerobic and anaerobic), has a variety, beneficial effects in terms of muscle mass and strength development, body composition profile regulation and neuromotor function improvement. Concurrent Training seems to be effective not only in normal-weight subjects, but also in obese individuals, reporting positive adaptations on physical fitness and health status compared with a single-mode (i.e., aerobic or strength training). Therefore, the aim of this study is to detect the effects of a 10-week-Concurrent Training protocol compared with a single training modality on physical fitness, body composition and circadian rhythms in adult outpatients with obesity.

Enrollment: 130 estimated patients

Sex: All

Ages: 25 to 60 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Physical activity frequency minor of 2 days/week
• BMI major of 30 kg/m2
• informed consent signature

Exclusion criteria

• age over 65 years
• knee or hip pain (visual analogue scale score >7 arbitrary units
• a history of hip, knee or foot replacement or osteoarthrosis
• cardiac infarction
• neurological impairments or any other clinical condition that affects the practice of physical activity

Trial design

Primary purpose: Basic Science

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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130 participants in 3 patient groups

Concurrent Training

Experimental group

Description:

Experimental: home-based concurrent training composed by strength and aerobic exercises within the same training session

Treatment:

Other: Concurrent Training

Strength Training

Experimental group

Description:

Experimental: home-based resistance training mode

Treatment:

Other: Strength Training

Aerobic Training

Experimental group

Description:

Experimental: home-based endurance training mode

Treatment:

Other: Aerobic training