investigation of vertical jamp test in patients with chronic anterior cruciate ligament tearing

<p class=msonormal style=text justify: kashida text align: justify text kashida: 0% margin: 0cm 0cm 10pt><strong><span style=mso bidi language: fa><span style=font size: small><font face=calibri>abstract:</font></span></span></strong></p> <p class=msonormal style=text justify: kashida text align: justify text kashida: 0% margin: 0cm 0cm 10pt><span style=mso bidi language: fa><span style=font size: small><font face=calibri>knee joint has major role in lower extremity activities. emong different elements of knee joint complex anterior cruciate ligament has becom more interested because of its alignment structural complication varied never receptors and frequently susceptibility to injury. afterinjury of this ligament knee extensor torque decreases.</font></span></span></p> <p class=msonormal style=text justify: kashida text align: justify text kashida: 0% margin: 0cm 0cm 10pt><span style=mso bidi language: fa><span style=font size: small><font face=calibri>the aim of this research was that reduce of quadriceps torque exist in spit of rehabilitation in iran. </font></span></span></p> <p class=msonormal style=text justify: kashida text align: justify text kashida: 0% margin: 0cm 0cm 10pt><span style=font size: small><font face=calibri><strong><span style=mso bidi language: fa>methods: </span></strong><span style=mso bidi language: fa>10 healthy men(age:22 35years) and 10 patients with acl deficiency (age:23 42 years) participated in this study. after primary assessment functional vertical jump test was done for each lower extremity. also the subjects fill in lysholm questionnaire.</span></font></span></p> <p class=msonormal style=text justify: kashida text align: justify text kashida: 0% margin: 0cm 0cm 10pt><span style=font size: small><font face=calibri><strong><span style=mso bidi language: fa>result: </span></strong><span style=mso bidi language: fa>willcoxson<strong> </strong>test manwithny test and spearman correlation coefficient were used. results showed that there was significant diference between meen functional scores of dominant and non dominant lower extremity of the control group. the same result was seen in the patients. also there was significant diference between meen lysholm scores of the patients and control group.</span></font></span></p> <p class=msonormal style=text justify: kashida text align: justify text kashida: 0% margin: 0cm 0cm 10pt><span style=mso bidi language: fa><span style=font size: small><font face=calibri>the was no relationship between lysholm score and functional test.</font></span></span></p> <p><strong><span style=line height: 115% font family: calibri sans serif font size: 11pt mso fareast font family: calibri mso fareast theme font: minor latin mso ansi language: en us mso fareast language: en us mso bidi language: fa mso bidi font family: arial mso ascii theme font: minor latin mso hansi theme font: minor latin mso bidi theme font: minor bidi>conclusion: </span></strong><span style=line height: 115% font family: calibri sans serif font size: 11pt mso fareast font family: calibri mso fareast theme font: minor latin mso ansi language: en us mso fareast language: en us mso bidi language: fa mso bidi font family: arial mso ascii theme font: minor latin mso hansi theme font: minor latin mso bidi theme font: minor bidi>it is clear that after anterior cruciate ligament injury in spite of rehabilitation the quadriceps muscle strength vertical jump. thus they may replace compensatory mechanisms</span></p>