Pain is a signal from the body that something is wrong. To best treat pain, it is important to have the cause properly diagnosed. Sharp pain that occurs in the front of the thigh can be caused by muscular tightness or injuries, damage to tendons, ligaments or cartilage, and problems within the nerves.

Over time, your spinal vertebrae and cartilage between these vertebrae can start to wear down, resulting in back pain and discomfort as you age. If you are a senior who experiences back pain, you don’t have to resort to a sedentary lifestyle.

According to MedlinePlus, muscle cramps are involuntary contractions or spasms in one or more muscles. Muscle cramps can occur suddenly and unexpectedly. Further, they can occur both during physical activity and while resting.

A leg cramp, or charley horse, occurs when a leg muscle suddenly tightens, causing pain that at times can be severe. Lack of either calcium or potassium can be the cause of cramps in the legs. The minerals calcium and potassium are electrolytes, meaning they carry electrical impulses that control the muscles.

Common complaints among athletes include mid-exercise and post-exercise cramping. Muscle cramping is most often brought on by a combination of tight muscles, extreme weather, improper hydration and/or electrolyte depletion.

There are numerous causes of middle back pain. According to the National Institute of Arthritis and Musculoskeletal and Skin Diseases or NIAMS—a division of the National Institutes of Health, back pain, including middle back pain, can range in severity from a mild ache to a sharp, stabbing pain.

A back ache, pulled muscle and upset stomach are all general symptoms that can be caused by a variety of physical problems. Many of these problems can be prevented by keeping yourself physically fit, eating a healthy diet and taking precautions in your daily activities.

Tendinitis can affect just about every area of your foot. It most commonly affects your Achilles tendon as well as those that pass across the top of your foot -- the extensor hallucis longus and the extensor digitorum longus.

Your soleus muscle, also referred to as the calf muscle, is located in the back of your lower leg. According to Aurora Health Care, a strained calf muscle occurs when there is a partial tear in the muscle fibers.

Bone spurs can develop in your shoulder joint due to aging or after an injury. These spurs can cause significant pain and limit movement by damaging tendons that move your shoulder. If this damage is severe or your pain cannot be relieved with conservative treatment, you may need surgery.

Many situations can lead to back pain, including obesity, poor posture, improper body mechanics, arthritis, disc injuries and nerve entrapment. Some back pain is worse when sitting, while others feel more pain when standing, twisting and bending. Some patients also experience a worsening of back pain while walking.

There can be many reasons why a person can feel weak and light-headed. Most of these can be treated quickly and aren't serious; however, sometimes these symptoms can signal a more serious condition. Treatment will depend on the reason for these symptoms. Always seek medical treatment if someone becomes unconscious.