Abstract Title

CHANGE IN FORCE BETWEEN ILIOTIBIAL BAND CUT AND GLUTEUS MAXIMUS TENDON CUT

Presenter Name

Victor Taylor II

Abstract

Introduction: Greater Trochanteric Pain Syndrome (GTPS) is a hip pain due to repeated trauma to bursa on the greater trochanter. Surgical procedure cut the iliotibial band (IT band) in order to relieve the pressure around the greater trochanter. However, the IT band may not be the primary cause of GTPS. It is hypothesized the tendon of the gluteus maximus (gmax) tendon is the primary cause of GTPS.

Materials: Force sensor test on the greater trochanter was performed on fresh cadavers. Cadavers were stabilized by the hip on a gurney. The skin on the top half of the thigh is reflected and cleans to expose the iliotibial band (IT band). Incision is made between the IT band and tensor fascia lata, and a force sensor from Tekscan was placed on the greater trochanter. Three measurements were done: Normal, IT cut, and gmax cut. Measurements will be made from 0o to 20o flexion and extension in increments of 10o three times, each at a fixed 0o, 10o, and 15o adduction. SPSS was used for statistical calculation. Summary: 6 hips (3 cadavers) were observed. There were no significance between normal and IT cut, as well as, between the normal and gmax cut. There were significant difference between gmax and IT cut at 0o adduction (p=.03) and 0o adduction, 10o flexion (p=.01).

Conclusion: This study will help to develop new treatment approach to GTPS. More data will be collected in the future.

Purpose (a):

Greater Trochanteric Pain Syndrome (GTPS) is a hip pain due to repeated trauma to bursa on the greater trochanter. Surgical procedure cut the iliotibial band (IT band) in order to relieve the pressure around the greater trochanter. However, the IT band may not be the primary cause of GTPS. It is hypothesized the tendon of the gluteus maximus (gmax) tendon is the primary cause of GTPS.

Methods (b):

Force sensor test on the greater trochanter was performed on fresh cadavers. Cadavers were stabilized by the hip on a gurney. The skin on the top half of the thigh is reflected and cleans to expose the iliotibial band (IT band). Incision is made between the IT band and tensor fascia lata, and a force sensor from Tekscan was placed on the greater trochanter. Three measurements were done: Normal, IT cut, and gmax cut. Measurements will be made from 0o to 20o flexion and extension in increments of 10o three times, each at a fixed 0o, 10o, and 15o adduction. SPSS was used for statistical calculation.

Results (c):

6 hips (3 cadavers) were observed. There were no significance between normal and IT cut, as well as, between the normal and gmax cut. There were significant difference between gmax and IT cut at 0o adduction (p=.03) and 0o adduction, 10o flexion (p=.01).

Conclusions (d):

This study will help to develop new treatment approach to GTPS. More data will be collected in the future.

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CHANGE IN FORCE BETWEEN ILIOTIBIAL BAND CUT AND GLUTEUS MAXIMUS TENDON CUT

Introduction: Greater Trochanteric Pain Syndrome (GTPS) is a hip pain due to repeated trauma to bursa on the greater trochanter. Surgical procedure cut the iliotibial band (IT band) in order to relieve the pressure around the greater trochanter. However, the IT band may not be the primary cause of GTPS. It is hypothesized the tendon of the gluteus maximus (gmax) tendon is the primary cause of GTPS.

Materials: Force sensor test on the greater trochanter was performed on fresh cadavers. Cadavers were stabilized by the hip on a gurney. The skin on the top half of the thigh is reflected and cleans to expose the iliotibial band (IT band). Incision is made between the IT band and tensor fascia lata, and a force sensor from Tekscan was placed on the greater trochanter. Three measurements were done: Normal, IT cut, and gmax cut. Measurements will be made from 0o to 20o flexion and extension in increments of 10o three times, each at a fixed 0o, 10o, and 15o adduction. SPSS was used for statistical calculation. Summary: 6 hips (3 cadavers) were observed. There were no significance between normal and IT cut, as well as, between the normal and gmax cut. There were significant difference between gmax and IT cut at 0o adduction (p=.03) and 0o adduction, 10o flexion (p=.01).

Conclusion: This study will help to develop new treatment approach to GTPS. More data will be collected in the future.