what do metatarsal pads do?

Muscle knots are usually caused by stress. Stress & tension later develops in the form of muscle tightness and discomfort called muscle spasms.
Regarding your slightly high lymphocyte count, if your doctors have reassured you that it is not a cause for concern, it's generally best to trust their expertise. Minor variations in blood cell counts can occur without indicating a serious health issue.

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.

The tugging of nerves and inability to move their feet or stand up can be caused by nerve damage or compression; this sometimes occurs following surgery. It is important to get in touch with the surgeon who carried out the procedure so that they may assess what is happening. Additionally, physical therapy could help with regaining strength and movement. 

Swelling in your leg can occur due to the injury. It is your body's way of safeguarding itself. If the swelling does not subside, try elevated rest, ice pack application, and wear a compression bandage. These measures can help you swell less and thus, ease your pain and make your exam successful. 

Your knee­ feels stiff after surge­ry. Your bone heals slowly. Using a cycle he­lps strengthen your knee­. You can ride slowly without pain. Yet be care­ful not to hurt yourself again. Follow your doctor's advice at all times. Cycling improve­s your movement while ke­eping safe.