Wrist injuries are common in athletes. Sprains are the most typical, while fractures and breaks occur less often. After your wrist heals, your ability to lift weights will depend on various factors, including the type of injury that you've sustained and the type of weight lifting you plan on doing.

Tendonitis is a painful condition that can occur in any joint, but it is most common in your shoulders, elbows, wrists and heels. It is the inflammation and irritation of a tendon -- a fibrous structure that attaches muscle to bone. Biceps curls may be a risk factor for developing tendonitis in your elbow.

Staying fit can make your pregnancy smooth and your labor easier. Situps and pushups strengthen your core, which can be particularly helpful when it comes time to deliver, but these exercises can pose certain risks when you’re pregnant.

Split training refers to working out different parts of your body at each session, instead of training your entire body at every workout. For example, you can work out your upper body one day and your lower body another day. Some splits break the body down further.

The basic pushup is an exercise to strengthen your triceps, shoulders and chest as well as to prevent saggy arms. Because a pushup also employs your lower body and abdominals to stabilize movement, the exercise requires the synchronization of several muscle groups.

Toning arms with swimming is just one of the many benefits offered by this great sport. Swimming regularly can tone your overall life by relaxing your mind and body, burning calories and increasing stamina. To get the full benefits of swimming, though, you must swim regularly and for at least an hour at a time.

Arms cramps usually happen suddenly and are very painful. Sometimes the cramp is so intense you can actually see the muscle ball up under the skin. Arm cramps come on at any time, but are usually associated with some activity or keeping your arm in the same position for a long period of time.

"Guns," "pythons," "Thunder and Lightning," however you refer to them, the biceps are glamor muscles, and many who train with weights seek big ones. Building biceps that fit snugly in your T-shirt is best done by targeting both heads of the muscle -- the short and long.

Regardless of the myth many girls and women fear: weight training will make you bulky -- building muscle is important for maintaining healthy bones and joints as you age, and to help burn calories and maintain weight.

Shaky hands after exercise is generally nothing to be worried about. Fatigue and low blood sugar are likely the culprits. However, some medications, coffee and tea and having an overactive thyroid may also be contributing to the issue.

The triceps pushdown is an exercise that primarily targets the triceps brachii which is positioned on the backside of your arm between your elbow and shoulder joints. The triceps brachii roughly makes up 75 percent of your arm and is used in the extension of the elbow and the shoulder.

Many people think that pushups help to strengthen the "lats," or latissimus dorsi muscles, since pushups involve the upper body. However, pushups do not affect the lats. Pushups are however, an excellent exercise to strengthen your upper body parts.