Core Perspective - The aesthetic trend is shifting from "thin and slim" to "powerful thighs," gaining popularity on social media platforms like Xiaohongshu and Douyin, where muscular and well-defined legs are increasingly appreciated [1][10][24]. Group 1: Social Media Influence - Fitness influencers are promoting the idea that "thin legs" signify inadequate fitness, with many showcasing strong leg muscles as a symbol of dedication [3][10]. - The rise of fitness culture has led to a growing preference for muscular legs among both men and women, contrasting with traditional beauty standards [10][22]. Group 2: Fitness and Training - Effective lower body training, such as squats and deadlifts, is essential for developing strong thighs and glutes, as these exercises engage multiple muscle groups [6][19]. - The misconception that leg training leads to bulky muscles is being challenged; proper training can sculpt and define leg muscles without excessive bulk [25][32]. Group 3: Gender Differences in Aesthetic Preferences - Men typically desire "thicker legs" due to their natural body composition, while women, often facing societal pressure regarding leg size, are beginning to embrace muscular legs as a sign of strength [11][20]. - The evolution of fitness culture is helping women overcome the anxiety associated with "thick legs," promoting a more confident self-image [22][24]. Group 4: Health Implications - Research indicates that excessively thin legs are associated with health risks, suggesting that a focus on strength and muscle development is not only aesthetically pleasing but also healthier [24].