one-week biceps workout plan that you can do at home:   Day 1: Dumbbell curls: 3 sets of 10-12 reps Hammer curls: 3 sets of 10-12 reps Preacher curls: 3 sets of 10-12 reps Day 2: Barbell curls: 3 sets of 8-10 reps Incline dumbbell curls: 3 sets of 8-10 reps Concentration curls: 3…