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Squats, deadlifts, cleans, etc.
Mostly relax and move your neck slowly till the muscle adjusts itself again and then you can start to do some more exercises for that muscle. I hope this helps.
There are many exercises that are good for working your forearms. Some of these include the cable wrist curl and the farmers walk. You can find these exercises and others at the following website: http://www.bodybuilding.com/exercises/finder/lookup/filter/muscle/id/2/muscle/forearms
Do cardio and muscle training exercises. Eat good foods qlot of protein
show some good trapezius exercises for people who are constantly keyboarding
Some good pelvic floor exercises to try are Kegel exercises and Pilates. There are Kegel exercises for men and women. These exercises can help women recover muscle tone after pregnancy. http://pilates.about.com/od/technique/a/Pelvic-Floor-Muscles.htm
Arm exercises to build muscle mass are very simple and don't have to be done in a gym. A simple set of barbels can be used for doing curls and lifting. Pushups are also a good exercise for increasing muscle mass in your arms.
Planking is a good exercise for strengthening core muscles, but it may not be as effective for building muscle mass compared to other exercises that target specific muscle groups.
There are many good bodybuilding exercises...For mass there are squats, bench press, pull ups, bent over rows, and deadlifts are all staples. There are also a plethora of other exercises for all muscle groups but you will gain the most mass off of those.
One can find a guide on how to do shoulder exercises at a website called Body Building. Other good websites for one to look for guides on how to do shoulder exercises include Muscle & Strength and Men's Health.
The best floor exercises use a lot of different muscle groups. Try situps, jumping jacks, leg raises, and push ups. A good resource for floor exercises is a basic pilates book.
Some good exercises for strengthening and toning the thigh muscles include squats, lunges, leg presses, and leg curls. These exercises target the quadriceps, hamstrings, and glutes, helping to improve muscle tone and strength in the thighs.