You're having a hard time with back pain and arm pain. These are signs that may be brought on by factors such as bad posture, heavy bags, or sitting in an uncomfortable position for too long. Don't forget to take a break now and then, stretch, and do some light exercises like yoga which can help alleviate the ache. Additionally, you could use a hot water bottle or take a warm bath for relief. 

You may have a broken toe. Dropping something heavy on the toe or stubbing it hard can cause a broken toe. Symptoms of a sprained toe include pain, bruising, and difficulty moving the toe. To be sure, you should get an X-ray at a clinic or hospital. Icing, resting, and keeping the toe safe from injury will give relief to the pain.

Before medical consultation with your doctor, there are a few tests that you can get like x-ray, bone density test, blood tests, MRI or CT scan. If you visit a doctor near you they can assist you with the tests that are important for you.

The redness, bleeding, and pus are signs that your wounds might be infected. It's important to keep the wounds clean and dry. Use Betadine for dressing, as it helps prevent infection. Avoid putting too much pressure on your leg wounds to reduce bleeding. Your wounds will heal with time. 

The movements which cause dislocation after hip replacement are:

a. Bending and leaning forward 
b. Sitting on low chairs, low bed, low toilets.
c. Crossing the knees
d. Lifting knee higher than your hip.

Pain in the foot joints after walking a lot is quite common. The joints might be sore from the pressure and movement. To ease the pain, rest your foot, apply ice, and gently stretch your foot and calf muscles. Make sure to wear comfortable shoes and avoid walking long distances for now.

If one leg/thigh/hip is bigger than the other, it might be because of a muscle imbalance. This means that one side is stronger than the other. You may develop this condition by constantly using your one leg when walking or doing physical exercises. To solve this problem, ensure workouts that will serve each side equally.