A double chin occurs when the platysma muscle becomes slack and loses mass. This can make you appear to be middle aged, and also rather unhealthy. Obesity can contribute to a double chin, and losing weight can help.

The bench press engages several muscles—your pectoralis major, pectoralis minor, anterior deltoid, serratus anterior, triceps brachii and coracobrachialis. The bench press is a core fundamental exercise for developing upper body strength.

According to Spine Universe, poor posture--where the shoulders are hunched and your head juts forward--is one of the leading causes of neck injuries and neck pain. Constantly reminding yourself to sit and stand up straight are a good start for improving posture.

Your face and scalp are made up of 10 groups of muscles. One of these muscle groups is the lips, which are surrounded by three muscles that make you smile, frown, pucker or chew. As you age, the skin and muscles of your lips begin to droop, causing your face to look older.

The cervical bones in the spine are numbered one through seven. A disc that absorbs shocks cushions each bone. When the vertebrae become injured or stressed, it can result in neck or back pain, according to the Mayfield Clinic. Pain can be acute or chronic and often can be relieved by rest and exercise.

If you think only tennis players get tennis elbow, think again. Painters, carpenters and plumbers can also develop this painful condition. Tennis elbow is an overuse injury caused by activities that put repetitive stress on forearm muscles.

Trends in fitness come and go but there is one exercise that is classic, works multiple body parts, is inexpensive and can be performed by individuals at any fitness level: the pushup. The best way to work toward a perfect pushup is by progressively increasing the difficulty of the motion.

Exercise for a slender neck depends on your reasons for trimming the neck area. If you're carrying excess fat around your neckline, cardio workouts can help to shed fat all over your body, which includes your neck.

Pull-ups are an effective and challenging upper body exercise. Pull-ups develop the latissimus dorsi muscles of your back, your biceps in the front of your upper arms and your forearm muscles. Traditionally performed using a pull-up bar, this exercise can also be performed using a door.

When you are looking to give your skin a more youthful appearance, you can exercise the muscles of the face. In fact, facial exercises can be effective at reducing the appearance of crow's feet, bags under the eyes and sagging skin.

When it comes to exercise, you probably focus on the major body parts such as the back, chest, arms and legs. However, it is equally as important to strengthen your hands -- you need them strong to effectively grip, hold and squeeze so you can perform a myriad of daily tasks.

Several diseases and disorders, such as Hypotonia and autism, can affect the muscles in the face responsible for speech. By utilizing various facial exercises to help build muscle tone and responsiveness of facial muscles, you can improve speech in many cases.