difficulty walking

backache, bruises on foot (feet), difficulty walking, pain in several joints

lump or swelling on leg(s), pain in foot (feet), pain in leg(s), palpitations

A fracture is the (local) separation of a body into two, or more, pieces under the action of stress. ... 

difficulty walking, headache, poor coordination, vision problems

Head injury is a trauma to the head, that may or may not include injury to the brain (see also brain injury). ... 

blister(s) or bump(s) on skin, impaired sensations in foot (feet), lump or swelling in groin in males, stomach pain

difficulty walking, limitation of movement, pain in knee, swollen knee

difficulty walking, limitation of movement, pain in knee, swollen knee

difficulty walking, muscle cramps in foot (feet), muscle weakness in leg(s), pain in leg(s)

Sciatica is a sometimes severe pain caused by general compression and/or irritation of one of five nerve roots that are branches of the sciatic nerve. The pain is felt in the lower back, buttock, and/or various parts of the leg and foot. In addition to pain, there may be numbness, muscular weakness, and difficulty in moving or controlling the leg. Typically, the symptoms are only felt on one side of the body. ... 

difficulty walking, muscle cramps in leg(s), muscle weakness in leg(s), pain in leg(s)

Spondylolisthesis (not to be confused with spondylosis or spondylolysis) is an anteroposterior translatory movement of two spinal vertebrae in relationship to each other caused by instability between the two involved vertebrae. The instability can be caused by degenerative changes of the facet joints, or by congenital or traumatic disruption of the pars interarticularis of the upper of the two vertebrae. It occurs most commonly in the lumbar spine. ... 

bruises on leg(s), lump(s) in skin, pain in arm(s), pain in foot (feet)

A bruise or contusion or ecchymosis is a kind of injury, usually caused by blunt impact, in which the capillaries are damaged, allowing blood to seep into the surrounding tissue. They often induce pain but are not normally dangerous. Sometimes bruises can be serious, leading to other more life threatening forms of hematoma, or can be associated with serious injuries, including fractures and internal bleeding. Minor bruises are easily recognized by their characteristic blue or purple color in the days following the injury. ... 

chest pain, difficulty breathing, passing out, weakness

Somatization disorder (also Briquet's disorder or, in antiquity, hysteria) is a psychiatric diagnosis applied to patients who chronicly and persistently complain of varied physical symptoms that have no identifiable physical origin. One common general etiological explanation is that internal psychological conflicts are unconsciously expressed as physical signs. ...