Use a pair of dumbbells. 6 split jerks, 10 skier swings 12 split jerks, 20 skier swings 18 split jerks, 30 skier swings Time yourself,
blog of sj
thoughts about IT, life, and other topics
thoughts about IT, life, and other topics
Use a pair of dumbbells. 6 split jerks, 10 skier swings 12 split jerks, 20 skier swings 18 split jerks, 30 skier swings Time yourself,