Activity 6: LET'S DO THE PLANKI! Directions: This is a 30-day exercise that will test the muscular strength of your core muscles also your chest, arms, back, lege, and booty. Day 2: 20 seconds Day 7: im 8 10 seconds Day 1: 10 seconds Day 6: 1 minute! (60 seconds) Day 11: Im & 50 seconds Day 16: 2m 8 40 seconds Day 3: 30 seconds Day 8: Im & 20 seconds Day 13: 2m 8 10 seconds Day 18: 3 minutes Day 12 2 minutes! Day 4: 40 seconds Day 9: im 8. 30 seconds Day 14: 2m 8. 20 seconds Day 19: 3m es 10 seconds Day 24: 4 minutes Day 5: 50 seconds Day 10: Im & 40 seconds Day 15: 2m & 30 seconds Day 20: 3m & 20 seconds Day 25: 4m & 10 seconds Day 30: 5 minutes Day 17: 2m 8.50 seconds Day 21: 3m & 30 seconds Day 22: Day 23: 3m & 40 seconds 3m & 50 seconds Day 27: Day 28: 3m & 30 seconds 3m 8.40 seconds Day 26: 3m & 20 seconds Day 29: 3m & 50 seconds 23