Chest is an issue for me. I've done one set of 50 pushups in my life and that was at 2am and I had coffee too late at night. Haven't been able to do it since. Went to the gym regularly and did the bench press, went from being able to do 5-6 of 135, and 1-2 of 155, to being able to do 10 of 135, 6-7 of 155, and 1-2 of 165-175. Haven't been to the gym regularly in a while (been off and on and doing a mix of body weight stuff, between school and work the past few weeks have been rough). Keep in mind I'm 5'10 and 150-155.
Lately I've been doing squats a little slower while trying to focus on form, so the weight has been a little lower than I'd like it.