There's no shame in training with lighter weights. Research shows that the correct light-weight training can build strength.
Found this work out and its perfect for experienced, beginners, or start overs (you've lifted weights before but it's been awhile)
The Ultimate Guide to Totally Nailing Every One of Your Goals in 2014 --By Sally Tamarkin on January 2014
Get In The Best Shape Of Your Life, At Home, For FREE. Daily video workouts, motivation, and extensive meal plans to help you live a healthy life