The radiological and clinical picture of a developmental hip dislocation and a severe subluxation are identical. According to Leveuf and Wiberg the diagnosis can only be made by arthrography. The differential diagnosis is critical, as treatment differs dependent on the diagnosis. In this study, the diagnosis of subluxation was based on a plain radiograph of the pelvis. A radiograph of the pelvi...

The application of low loads over prolonged periods of time as a means of lengthening shortened soft tissues and reducing hypertonus is well supported in the literature." Techniques are not always available, however, for the practical application of such loads in a clinical setting, particularly for patients with decreased range of motion associated with spastic musculature. A specific movement...

Persons with unilateral, lower-extremity amputation are at risk of developing osteoarthritis in their intact limb. Among persons without amputation, knee osteoarthritis disease severity has been linked to elevated frontal plane knee moments. Therefore, the purpose of this study was to examine knee and hip frontal plane moments in persons with unilateral, trans-tibial amputation. We hypothesized...

[Purpose] This study evaluated the effects of bridge exercise on trunk core muscle activity with respect to sling height and hip joint abduction and adduction. [Subjects] Fifteen healthy adult males participated. [Methods] In the bridge exercise, the height of the sling was set low or high during hip joint abduction and adduction. Electromyography was used to compare the differences between the...

Despite the intense focus on outcomes following an anterior cruciate ligament (ACL) reconstruction, it is not yet known whether unresolved abnormal hip and trunk neuromuscular control exists. The purpose of this study was to compare trunk and hip kinematics during running, hip abductor and external rotator strength, and trunk control between females who had undergone an ACL reconstruction and h...

[Purpose] This study aimed to determine the effect of varying hip flexion angle on hip muscle activity during isometric contraction in abduction. [Subjects] Twenty-seven healthy men (mean age=21.5 years, SD=1.2) participated in this study. [Methods] Surface electromyography (EMG) was recorded of the upper portion of the gluteus maximus (UGM), lower portion of the gluteus maximus (LGM), tensor f...

BACKGROUND The aims of this study were to evaluate the construct validity (known group), concurrent validity (criterion based) and test-retest (intra-rater) reliability of manual goniometers to measure passive hip range of motion (ROM) in femoroacetabular impingement patients and healthy controls. METHODS Passive hip flexion, abduction, adduction, internal and external rotation ROMs were simu...

Hip reduction in cerebral palsy patients with a soft tissue procedure was analysed during operative procedure. Eleven patients with unilateral dislocation of the hip and a quadriplegic form of cerebral palsy underwent soft tissue operation on the hips. Tenotomy of the adductor and flexor muscles of the hip was performed. The contralateral hip sustained only tenotomy of the adductor muscles. The...

BACKGROUND The literature indicated that the majority of professional ballet dancers present static and active dynamic range of motion difference between left and right lower limbs, however, no previous study focused this difference in non-professional ballet dancers. In this study we aimed to evaluate active movements of the hip in non-professional classical dancers. METHODS We evaluated 10 ...

CONTEXT Reduced strength and activation of hip muscles might correlate with increased weight-bearing knee valgus. OBJECTIVE To describe relationships among frontal-plane hip and knee angles, hip-muscle strength, and electromyographic (EMG) recruitment in women during a step-down. DESIGN Exploratory study. SETTING Laboratory. PARTICIPANTS 20 healthy women 20 to 30 years of age. INTERVE...