Could my muscle pain near clavicle and neck cracking be related?

Sitting for a while can make­ your legs swell. This happens whe­n your blood gets stuck in your lower legs. You'll notice­ puffy, heavy, tight legs. It's caused by bad blood flow. To he­lp with the swelling, get your le­gs higher than your heart. Move around e­very hour. Put on compression socks. These­ things will get your blood moving again and stop the swelling.

The maximum lengthening achievable is around 8-10 cm for the femur bone and 6-8 cm for the tibia bone. The amount of limb lengthening a person can gain through surgery varies according to the individual's initial height, the type of surgery, desired lengthening etc.

You have patellofemoral pain syndrome. This condition causes pain around or under the knee cap, which can spread to the side of the knee. It's often due to overuse, weak muscles, or improper knee-cap positioning. Exercises to strengthen leg muscles and supportive sports shoes can help. A key part of treatment is avoiding activities that worsen the pain. 

Prolonged diaper use may cause a number of health problems including urinary tract infections, skin rashes and discomfort.

Unlike lumps that result from injury, there are cancerous lumps that will go away without treatment. If the tumor is not sore and only hurts when pressed, it could be a benign growth. However, you should seek medical attention for this.

You might have twisted your knee again while playing badminton. Aching dull pain when you try to straighten or tighten your knee could mean the ligament has been pulled too hard. It’s great that you can still walk and go upstairs. To let it get better, you should rest as much as possible, put your leg up from time to time, and avoid doing anything too hard for a while. 

I would suggest that you should consult an orthopedist for further investigation of the health status. The X-rays reports as well the correct diagnosis of fractures are necessary for severe injury assessment. Based on the level of severity, he or she may recommend immobilization using a walking boot or cast.