Muscle contractures, sometimes called "knots", can form in the shoulders of athletes, as well as in those of sedentary people. Repetitive movements (such as throwing a ball) can cause muscle fibers to stiffen, which feel like thumb-sized knots under the skin.
Shoulder pain is quite common and can be triggered by a number of problems, including a muscle tear, ligament sprain, dislocation, spinal dysfunction (in the neck or mid-back) and even heart disease. The most common cause of this pain, however, is a slight stretching of the muscles and / or ligaments caused by excessive stress at work or during training.
To get the best results from pushups, you first need to make sure you're doing them right. Afterward, you can continue making as many as your athletic condition allows. Once you get used to the type of exercise, make it more challenging by increasing the repetitions;
Building muscles may not be easy, especially if you are a girl. The most important thing to do if you want to develop muscles is to identify an adequate form of exercise, which is not limited to burning fat, as well as choosing a diet and lifestyle suitable for achieving your goals.
The female body does not differ much from the male one; nevertheless, women often find it harder to develop their muscle mass. For this reason, they need to focus more on their nutrition and training routines to achieve the same results. The female body also undergoes changes that the man does not experience, such as pregnancy and menopause.
