The goal of this clinical trial is to learn about the effect of long resistance training intervention on brain and muscle health in older adults with mild cognitive impairment (MCI). The main question it aims to answer is whether progressive resistance training can prevent/delay neurodegenerative/pro-inflammatory processes that are detrimental to cognition, mobility, vitality, and mental health of older adults with MCI. Participants will undergo 6 months of supervise resistance training. Subjects in the intervention group will undergo sessions of structural and functional magnetic resonance imaging, proton magnetic resonance spectroscopy at baseline and end of intervention. Blood analyses and functional and cognitive tests will be performed at baseline after 3 months from the start of intervention and at the end of the intervention. Observations obtained from the intervention group will compare to data collected from age-matched active control group who will undergo flexibility training of lower limb muscles.
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Changes in intrinsic capacity
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in global cognition
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in psychological assessment of depression
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in reaction time
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in reaction accuracy
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in cognitive efficiency
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in Stroop interference score
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in performance on the Trail Making Test (TMT)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in sway velocity
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in dual-task cost for sway velocity
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in agility
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in lower body strength and muscular endurance
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in levels of Albumin (Alb)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in levels of Hemoglobin (Hb)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in levels of C-reactive protein (CRP)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of cytokines
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of Kynurenine
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of brain-derived neurotrophic factor (BDNF)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of Insulin-like growth factor 1 (IGF-1)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of Irisin
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of c-terminal agrin fragment-22 (CAF22)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of Neurofilament light chain (NfL)
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of tau proteins
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in circulating levels of beta amyloids
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in brain volume properties
Timeframe: Baseline and Post-intervention time (24 weeks); Optional: follow-up at 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in brain cortical thickness
Timeframe: Baseline and Post-intervention time (24 weeks); Optional: follow-up at 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in brain WM microstructural organization
Timeframe: Baseline and Post-intervention time (24 weeks); Optional: follow-up at 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in brain neurometabolic levels
Timeframe: Baseline and Post-intervention time (24 weeks); Optional: follow-up at 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in brain neurometabolic ratios
Timeframe: Baseline and Post-intervention time (24 weeks); Optional: follow-up at 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in quadriceps/hamstrings cross sectional area
Timeframe: Baseline and Post-intervention time (24 weeks); Optional: follow-up at 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in quadriceps myocellular lipid content
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in body composition and BMI
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in knee muscle torque production
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in muscle contraction time
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in muscle contraction displacement
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in muscle contraction velocity
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in level of fatigue
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in level of frailty
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in health status
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.
Changes in nutritional status
Timeframe: Baseline, Mid-intervention time (12 weeks) and Post-intervention time (24 weeks); Optional: follow-up at 48 weeks (1st follow-up) and 72 weeks (2nd follow-up) for participants who would be willing to continue their training.