During the first year of life, you need to help your baby's muscles develop so those muscles will be better able to perform tasks as your child ages. Exercises for stretching can be done during play, and are a good way for you to promote muscle development while spending quality time with your infant.

Musculoskeletal pain is a common ailment. Muscle, shoulder and leg discomfort are associated with a variety of conditions that range from the most benign, such as muscle overuse and inflammation, to morbidities like polymyalgias, systemic lupus erythematous and vascular abnormalities, notes the book, "

A muscle strain involves a stretching or tearing of muscle fibers. The most common locations for a muscle strain are your lower back and hamstring, which is the muscle in the back of your thigh. Muscle strains do not cause fever.

Observers and participants alike frequently consume beer during and after sporting events. In fact, beer is sometimes more readily available than water, providing thirsty athletes with a much-desired source of fluids. However, athletes and observers should both exercise discretion when consuming alcoholic beverages.

Cubital tunnel syndrome is the second most commonly occurring nerve entrapment syndrome in the upper body according to Hand Health Resources. Compression of the ulnar nerve in the inside of your elbow causes pain and tenderness at your elbow and numbness and tingling in your little finger and ring finger.

A broken wrist is a common injury. According to a study published in 2014 by "Journal of Family Medicine and Primary Care," up to 20 percent of bone fractures treated in the emergency department affect the radius -- a large bone in the wrist.

A joint is the connection between two bones. The skeletal system is made of different types of joints, including fibrous, cartilagenous and synovial. A ligament holds fibrous joints together. Cartilage joints are bones held together with a connection of cartilage. A synovial capsule surrounds the synovial joints.

Leg cramps can intrude on your deep sleep, jolting you out of bed with an intense, sharp pain. When you become dehydrated or have an electrolyte imbalance, your risk of leg cramps increases. Dehydration results from not drinking enough fluid, sweating profusely, working outdoors in the heat and from stomach illnesses.

Fibromyalgia, or FM, is a chronic neurological disorder characterized by a dull, aching pain throughout the body. According to MayoClinic.com, fibromyalgia is difficult to diagnose and is often mistaken for other conditions such as rheumatoid arthritis.

Spinal compression is characterized by excessive strain on the disks that serve as cushions between the vertebrae of the spine. This condition can produce symptoms such as back stiffness and pain and cause nerve problems that can affect emotional and cognitive processes.

Shin splints occur when stiff or overworked muscles in the lower leg must move beyond their natural range of motion while you run or perform other high-impact exercise. These muscles begin to pull on the tibia bone, causing the pain along your shin. Strength-training exercises can help you prevent shin splints.

Muscle cramps are a common occurrence in both novice and seasoned athletes. The exact mechanism that triggers a cramp is not clear, but several conditions have been pointed out as likely culprits, including dehydration, electrolyte imbalance and muscle fatigue.