Acute Effects of Structured Exercise and Static Stretching on Vascular Function, Neuromuscular Performance, and Metabolic Regulation in Adults

Participants assigned to this group will complete a single supervised upper body resistance training session. The protocol includes bench presses and bicep curls performed at 80% of the individual's 1-rep max, for 4 sets of 8 reps, with standardized rest intervals between sets of 2 minutes. The total duration of the session is approximately 20-30 minutes and does not include any additional static stretching beyond the standardized warm-up.

Participants assigned to this group will complete a single supervised upper body resistance training session. The protocol includes bench presses and bicep curls performed at 80% of the individual's 1-rep max, for 4 sets of 8 reps, with standardized rest intervals between sets of 2 minutes. The total duration of the session is approximately 20-25 minutes .Immediately after the resistance exercises, they will complete a structured static stretching protocol targeting the trained muscle groups (pectoralis and elbow flexors), with each stretch held for about 30 seconds and repeated for several sets. The additional stretching lasts 12 minutes, for a total session duration of about 35-40 minutes.