Since the introduction of the trifin nail in the treatment of femoral neck fractures in 1931 (Smith-Petersen, Cave and Vangorder 1931) there has been controversy about the time at which unguarded weight-bearing may be safely started after operation. The patients described by Smith-Petersen and his colleagues were allowed to walk in a plaster hip spica three weeks after operation, although free ...

To enable objective measurements of weight bearing in hip replacement patients a portable instrument set-up with an on-line registering pressure-sensitive insole was developed. Six men and 9 women, median age 58 (48–67) years, who had been operated on with a cementless or hybrid hip arthroplasty were studied. All patients were independent and functional. A physiotherapist instructed the patient...

We believe that a certain subset of surgical ankle fracture patients can be made weight-bearing as tolerated immediately following surgery. Immediate weight-bearing as tolerated (IWBAT) allows patients to return to ambulation and activities of daily living faster and may facilitate rehabilitation. A prospectively gathered orthopaedic trauma database at a Level 1 trauma center was reviewed retro...

The study investigates the effects of eccentric exercise of the quadriceps on proprioception of the knee in weight and non-weight bearing tasks. Proprioception of the exercised leg was assessed at 120° and 150° of knee extension in 15 healthy adults (age 25.0 ± 3.6 yrs) before, immediately after, and 24h following eccentric exercise of the quadriceps. Three tests of proprioception were performe...

The concentrations of some eight free amino acids in the plasma, liver, and muscle have been determined in male rats bearing tumors of different sizes (Walker car cinoma 256) and in their pair-fed controls. No change in the concentrations of free amino acids was found in the plasma or tissues when tumors were of small size. As the tumors grew larger, the concentrations of most free amino acids ...

E. Yeakel (4) reported on changes in liver weight as compared to body weight in Wistar a! bino rats bearing induced or transplanted tumors. He concluded that the liver weight of the tumor bearing host is increased yet does not show any correlation either to the body weight or to the weight of the tumor. Autopsies carried out in this laboratory on rats and mice bearing spontaneous or grafted tum...