Gyllenhaal lost weight for thriller and then got it all back - and put on 15 more pounds of pure muscle in six months . Went to the gym twice a day for six hours . Regime averaged 2,000 situps , three hours of exercise and three hours of cardio and weight training . Mimics great Hollywood physique changes like Matthew McConaughey switched from Magic Mike hunk to Dallas Buyers Club 175 lbs .
Gyllenhaal lost 30lbs for thriller Nightcrawler then gained it all back - and put on 15 more pounds of pure muscle in six months . Went to the gym twice a day for six hours . Regime included 2,000 situps , three hours of boxing and three hours of cardio and weight training . Mimics great Hollywood physique changes like Matthew McConaughey going from Magic Mike hunk to Dallas Buyers Club AIDS patient .