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TRANSPOSITION OF ILIO-TIBIAL BAND GLUTEUS FOR IN MAXIMUS, PARALYSIS The assessment was active unit and the was gluteus other was and Report AXER, Aviv, Department, twenty-four patients In order three-quarters twofold deep fibres of the ,4ssaf Harofe “ its muscle-that The pelvic as is, all gap tensor, piece between tract of Henry-Between “ of the fascia a special “ the deltoid part and lata of tract-the the maximus maximus) tract) proximal and tensor as figuring “ and for the gluteus half-gain the musculo-tendinous maximus insertion its superficial fibres fasciae latae and ilio-tibial muscles after when the muscle : only into and one-fourth the femur; the tract (Gray’s Anatomy is a tensor of the fascia expanse muscles. which “ latae abdominal obtained motor is situated a pelvic It is the pelvic deltoid of Henry 1954, as the motor for the musculo-tendinous fasciae the lateral results were the tensor (ilio-tibial MUSCLES Sarafand tensor insertion of of its caudal cranial the pelvic Hospital, powerful half-are inserted into the ilio-tibial Henry 1945). The gluteus maximus in other words to being an extensor and lateral rotator of the hip. of ABDOMINAL AND ISRAEL in whom a more of the taken maximus-the TEL for strengthening revealed that better to obtain LATAE POLIOMYELITIS A Preliminary Orthopaedic FASCIAE LATERAL AFTER performed Axer 1956) strong. advantage the of the of band transposition poliomyelitis (Clark OF CHILDREN ANATOL From TENSOR deep 1946, lata and the gluteus was described fibres Last 1954, in addition maximus by Henry (1945) which hides gluteus medius, and occupies Indeed we may regard these three (the deltoid has unit, . . (Fig. .“ 2). in this been used with gratifying operation, results. since August OPERATION The fasciae the The operation latae for addition patient is carried paralysis of the is placed out of the proximal part on the operation upon uppermost. The appropriate manipulation greatest of the the its iliac crest, facilitate thigh to wide strip curves the exposure end at the of the in much lateral in of level ilio-tibial of the table possible table. proximal the band same knee correction The skin as the transposition (Clark and maximus, 1). in the and The of the Axer 1956), tensor except for the musculo-tendinous unit. with the side to be operated of lumbar scoliosis is secured by incision starts below the anterior part behind the greater trochanter in order slightly (Fig. begins way muscles gluteus maximus to in the lateral posture, part gluteus of the the abdominal continues dissection region of the along the of the three lateral outer to aspect five femoral of an of to the centimetres condyle and is continued towards the greater trochanter. When the gluteus maximus is reached its cranial half (or third) is separated from the rest of the muscle and mobilised, but left attached to the ilio-tibial band. This division of the gluteus maximus is carried out through its whole thickness far enough posteriorly to allow for the unobstructed redirection of the cranial part of the muscle obliquely and upwards towards the ribs together with the ilio-tibial band (Figs. 2 and 3). Care is taken not to injure the nerve to the muscle: the gluteus maximus is supplied by the inferior gluteal nerve, which enters the deep surface of the muscle nearer to its origin than to its insertion (Last In muscle 644 1954). none so far of the posteriorly eight cases reported as to endanger here its nerve was it necessary to the carry division of the supply. THE JOURNAL OF BONE AND JOINT SURGERY PARALYSIS dissection unit of ready the Figure Freeing of consisting chosen rib. distance for (the cranial tensor by a few catgut sutures free of ilio-tibial being of is measured fasciae the through the incision with latae. These If that stabilisation of because the (tensor fasciae are dissected the thoraco-pelvic transplant latae) of the Axer part of the and the with the extension rib. greatest exercises contractions synchronised and with the relationship tension both and the 3). rib The after proximal end is followed and are the and the of the by of the scoliosis. added to abduction pelvis all and tensor on active practically (gluteus the to approximated wounds of the latae in extension latae are maximus elevation fasciae is achieved during the correction hip are same transposition joining of gluteus active tensor the is created (Fig. to the chosen tunnel, the fasciae for maximus Closure of in with is done at that stage with each contraction gluteus possible of the are approximated A musculo-tendinous tensor ready the outline musculo-tendinous is completed bulky motor unit moderate tension subcutaneous over latae 1956). the is raised one under prepared maximus is under latae and maximus, Henry) situated later gluteus fasciae (Clark 11). proximal to elicit the tensor 645 POLIOMYELITIS Fio. 3 of Henry with “ 3-The both muscles separately of the ilio-tibial band moves spica, in order movements both deltoid of previously of a double hip Post-operative treatment-Active side. Figure gluteus of and application movements the and in that manner band is attached thigh flexion of of the (Table the latae pulled the AFTER pelvic “ transposition. and deltoid” stimulation the free end which for transplantation part “pelvic particular The end band latae Electrical muscle IN CHILDREN FiG. 2 Figure 2-The incisions. unit ilio-tibial fasciae of the band 1-Skin MU5CLE5 to the rib. The gluteus maximus and tensor fasciae catgut sutures to form one motor unit. the as in tensor ilio-tibial ABDOMINAL musculo-tendinous for transposition manner unit LATERAL FIG. 1 of operation. Technique of OF a fasciae the phases maximus) same continuous of and gait, fiexion hip. DISCUSSION I the indications for and children had poliomyelitis during their onset being one year and two months. In VOL. Table 40 B, NO. 4, NOVEMBER 1958 results first of or the second operation year are of life, presented. the average All the age eight at the 646 A. AXER -J 0 z 0 z <0 0 Z 0 I.. U 0 z THE JOURNAL OF BONE AND JOINT SURGERY PARALYSIS OF LATERAL ABDOMINAL MUSCLES IN CHILDREN AFTER POLIOMYELITIS ‘‘ FIG. Boy aged Photographs paralytic six with paralysis 5-Same 40 B, NO. 4, VOL. C NOVEMBER lateral 4 abdominal muscles on the left side. show the boy before operation. Note the uncompensated scoliosis, with marked shift of the upper trunk to the right. FIG. Figure of the child after 1958 5 operation. Improved posture. operation, sitting. Figure Fio. 6 6-Same child after 647 648 A. AXER TABLE RESULTS C Pre-operative ase num r OF MUSCLES grading* Tensor maximus fasciae extension) BEFORE Excursion Gluteus (hip * TO GRADING RELATED II OPERATION AND on electrical at operation ELECTRICAL stimulation Gluteus maximus Tensor fasciae 1 2 1 3 0 2 4- 4+ 2 1 3 4 4 2 4 3 1+ 5 3- 6 AT OPERATION Post-operative grading of gluteus maximus (centimetres)t latae RESPONSES latae (hip Result extension) 3- Active 4- Active 3 3+ Active 1 0 3 4- 2’S 0 3 Active 3+ 3+ 3’S 2 3+ Active 7 2 1 1 0 2- Active 8 3+ 3+ 2 0 3+ Active According - - to international grading: from t The distance (in centimetres) through (faradic) stimulation ofthe motor(muscle) The oldest two years and The five shortest interval years, the average In became all eight in A follow-up the drawn years at the and operation two present at the six months was three operation time was of the of age, the years and one year, operation and in five it remained unchanged years and two months to three years all to boy on boy before the right the due is shown the left in a very side and is shown sitting. transplantation to decompensated similar resulted was eliminated in six cases extremities was corrected improved in beneficial, as indicated the Case 2-A boy, who difficulty, circumducting the is shown trunk Pelvic obliquity length of the lower of was lateral children, in the for and following in two (weak) (weak) on direct electrical unit was completed. youngest ten months. the : in one after is too case reports. CASE REPORTS maximus. paralytic scoliosis stance fifteen in a definite and improved in all patients. instances of gluteus the months after improvement longest child operation deformity 1956 (not A marked is obvious the in operation posture. in two. The discrepancy in the Thoraco-pelvic stability was. improvement was exceptionally three years after the onset of poliomyelitis could walk only with great the right lower limb widely and falling frequently because of a pronounced abdominal muscles and quadratus lumborum on the right side, was at the age of four (three years after the onset of paralysis), and he is now able to run. Case 6-The boy in this case could not walk or stand for five years after the onset of paralysis, operated upon because his right lateral abdominal muscles and quadratus lumborum were so weak that mainly a considerable pelvic tilt deVeloped, causing a discrepancy of three centimetres in the length of the lower extremities. and a scoliosis. With the gluteus maximus and tensor fasciae latae transplantation performed at the age of seven years and six months the deformities were corrected and enough thoraco-pelvic stability was restored to allow the boy to walk with the help of apparatus. THE it the operation. short to allow on report) upper In Figure 5 the same which was performed In Figure 6 the same weakness scoliosis from seven age the onset of paralysis and two years and seven months. it improved, two was average moved ofthe the durability of the apparently beneficial effect of this scoliosis. Nevertheless, it seems that in most cases the progress of the or retarded. In Figure 4 a boy aged six at the operation in December be in this of operation Active - to 5 (normal). which the free end of the ilio-tibial band with a bipolarelectrode, after the dissection The between being ranging to on paralytic was checked included at the months. children worse, conclusions shift child two 0 (paralysed) #{149} JOURNAL OF BONE AND JOINT SURGERY PARALYSIS OF LATERAL ABDOMINAL MUSCLES IN CHILDREN AFTER 649 POLIOMYELITIS 4 FIG. 7 FIG. 8 FIG. 9 Case 1-Effect of a strong motor unit. Figure 7-Before operation. Considerable pelvic tilt in relaxed suspension. Figure 8-After operation. Pelvic tilt corrected in relaxed suspension. Figure 9-On active hip extension pelvic tilt is over-corrected by action of the musculo-tendinous unit consisting of gluteus maximus and ilio-tibial band transferred to the ninth rib. On electrical stimulation of the motor during the operation the tensor fasciae latae was found to be completely paralysed, but the gluteus maximus contracted vigorously and moved the free end of the ilio-tibial With an active, synchronising or with operated upon bulging under contributing transplant movement fiexion-abduction, Figures 10 and In the strong that on the the skin with girl With a transplant in walking during sitting; that the is only the pelvis high during walking stability extension gravity of the knee is able of the hip the phase However, this manner. lift against walking. strength and of weight transplant the pelvis helps to allow 13 and (Fig. transplant, against maximus) gravity (Figs. by 7 to 9), efficiency to balance of the transplant even the the left leg (Fig. 1 1), the gait. In Figure 12 thorax over the pelvis. the “weak,” patient a comfortable “swing-through” but the musculo-tendinous 15). In that insufficient but on facilitating or for 14), is concerned, bearing and strong the excursion of the free end of the ilio-tibial band operation (Table II), but also to the “vigorousness” objective to (by the gluteus stability moderately enough (Figs. improve the thoraco-pelvic weak “hamstrings-into-patella” of the knee during The ultimate child ofthoraco-pelvic is shown be able to raise lower extremity the extension of three centimetres. if the tensor fasciae latae is active. 1 1 a girl of twenty (not included in this report) is shown who was left side in July 1957. A strong gluteus maximus transplant can be seen to improvement same band for a distance respect its so far as the strong enough is not on faradic of only action for effective directly not of the unit recalls carrying may would that of of a full out a stabilisation proportional stimulation of its motor the contraction of the to during muscle. factor was omitted from the Table because it could hardly be presented in an On the whole, those transplants were ultimately strong in which the contractions of both muscles or of the gluteus maximus alone caused the free end of the ilio-tibial band to move for a distance of not less than three centimetres.* In all eight to be emphasised * For each applied t in the and Axer VOL. operation to different 40B, previously instances the transplant that in five of the eight the same electrical published series NO. 4, NOVEMBER 1958 stimulator found “active” the tensor fasciae after latae the was operation.t It has found at operation was used and the same strength of faradic current was excursion of the free end of the ilio-tibial band was noted. of twenty-four cases of transplantation of the tensor fasciae latae (Clark unit was found to be “passive” in seven instances. areas of the muscle. 1956) the musculo-tendinous was cases The longest A. 650 FIG. 10 Figure 10-A strong left transplant is seen bulging AXER 1-10. gluteus under maximus the skin In Figure II transplant demonstrated and contributing to the 12 the same girl is shown in a girl improvement sitting. FIG. 12 of twenty. In Figure 11 the of thoraco-pelvic stability. .:1F FIG. Case relaxed 5-Effect suspension. 13 FIG. of transposition Figure 14-After of a moderately operation. strong Slight 14 FIG. muscle. pelvic tilt Figure still 13-Before present operation. in relaxed suspension. 15 Pelvic Figure tilt in 15- On active hip extension pelvic tilt is corrected but not over-corrected. The musculo-tendinous unit consisting of gluteus maximus and ilio-tibial band can be seen in action bulging under the skin. On electrical stimulation of the motor during the operation the tensor fasciae latae was found to be completely paralysed, but contractions of the gluteus maximus were of moderate strength and moved the free end of the ilio-tibial band for a distance of 25 centimetres. THE JOURNAL OF BONE AND JOINT SURGERY PARALYSIS OF LATERAL ABDOMINAL MUSCLES IN CHILDREN AFTER 651 POLIOMYELITIS to be completely paralysed, as it did not react at all to the direct faradic stimulation with a bipolar electrode (Table II). However, in none of these five cases was the tensor fasciae graded 0 before the operation ; in Cases 5 and 8 it was even charted 4 and 3 respectively. “ That “ proves children that the be very may clinical estimation misleading of the and strength therefore of the cannot be tensor relied fasciae upon. latae The in small pre-operative grading of the gluteus maximus, on the other hand, was found to correspond with the observations made at operation. The advantage of using the gluteus maximus for the transplantation in conjunction with the tensor fasciae latae, or alone if the latter muscle is paralysed, is obvious. It was further observed that the pre-operative grading of hip extension remained practically unchanged in all cases after the operation, although one would expect a weakening of hip extension after removal of half of the gluteus the gluteus maximus, already referred to, may the deep fibres of the caudal half of the muscle maximus from its insertion. The anatomy of contain the explanation for that phenomenon: are the only ones that gain insertion directly into inserted probability the femur, all the rest of the muscle being fibres may be regarded with reasonable muscle They on remain undisturbed a larger series after this operation. into the fascia lata. Those as the primary extensors However, this observation requires particular of the hip. confirmation of cases. SUMMARY 1. An operation poliomyelitis maximus, to a chosen 2. 3. The results of and A weak “ motor “ tendinous this operation unit Those helps eight abdominal muscles in of the proximal band (“ the pelvic invariably (gluteus move in children after part of the gluteus deltoid of Henry) “ stimulation with free a bipolar to lift the so efficiently. restoring the of paralytic pelvis against However, scoliosis, pelvic “ whereas with weak musculo- stability, a “ just as a weak knee. or without ilio-tibial band electrode gravity, even a thoraco-pelvic the with of the end cases assessed. stabilises maximus the consecutive are transplant and faradic in motor allows the child the child is unable to do motors vigorously most lateral of transposition the ilio-tibial instability “hamstring-into-patella” 4. the It consists latae and thoraco-pelvic strong “ strengthening rib. obliquity “ for is described. the tensor fasciae during the tensor fasciae for at least operation latae) three that centimetres become contract on direct ultimately strong and efficient. 5. The and the unreliability of the advantage of using clinical the test gluteus of tensor fasciae as the maximus latae motor in small for the children is discussed, musculo-tendinous unit is emphasised. 6. Using abdominal the proximal muscles phenomenon not (or seem be explained may of that insertion half does less) to with of gluteus the affect maximus appreciably reasonable the probability for strengthening strength by of the hip existence the extension. of lateral This a twofold muscle. I wish to acknowledge the financial help given to the Orthopaedic Department of Assaf Harofe Hospital for the rehabilitation of handicapped children by the Henrietta Rinaldo Scheider Foundation Inc. The donation was made available through the courtesy of Dr I. S. Wechsler and Dr Leo Mayer of New York, and the expenses connected with preparation of this paper were covered in part by that fund. REFERENCES J. M. P., and Transposition for Paralysis of the Lateral Abdominal in Poliomyelitis. Journal of Bone and Joint Surgery, 38-B, 475. GRAY’S Anatomy (1946): Twenty-ninth edition by T. B. Johnston and J. Whillis, p. 652. London, New York, Toronto: Longmans, Green and Co. HENRY, A. K. (1945): Extensile Exposure Applied to Limb Surgery, p. 86. Edinburgh: E. & S. Livingstone Ltd. LAST, R. J. (1954): Anatomy Regional and Applied, p. 160. London: J. & A. Churchill Ltd. CLARK, AXER, A. (1956): Muscles VOL. 40 B, NO. 4, NOVEMBER 1958 A Muscle-Tendon