@drillsthenics: There is no better way to build super strong hamstrings than the Nordic Hamstring Curl. A study on the impact of NHC in athletes found that it reduced the risk of hamstring strain injury sagnificantly. The Calisthenics Playbook offers more than 27 structured workouts and focuses on key skills like one-arm push-ups, pull-ups and pistol squats. 🌟 #calisthenics #calisthenicsgirls #calisthenic #strengthtraining #chickenlegs #gymnastics #strengthtraining #buildmuscle #gymrat #gymworkouts #legworkout #hamstrings #bodyweighttraining #bodyweightworkout #nordiccurls #stronglegs #workouttips