This movement was again limited by the head-neck fragment impingement on the nail.
After cycling, a minor amount of further movement of the head-neck fragment was observed (< 2 mm) for both nail types, due to compressive fatigue and fracture of the bone at the impingement point on the nail.
This study represents a worst-case scenario, in which there is so much comminution of the proximal femur that it is unable to provide support, and thus movement of the head-neck fragment is limited by its impingement against the nail.
Specifically discussed are Winnicott's views on the therapeutic holding environment, good-enough mothering, the true and false self, environmental impingement, transitional objects, and countertransference.
Some of the more significant of these are: holding environment, good-enough mothering, true and false self, antisocial tendency, transitional objects and transitional phenomena, and environmental impingement.
where there is environmental impingement), the child must become a reactor to this impingement.
Impingement would be the failure to provide needed assistance and services or to provide them when they were not needed.
The success of the individual in adjusting to this impingement necessarily depends on two factors: 1) the adaptive and coping capabilities of the individual, and 2) the facilitating characteristics of the environment.
Ganz popularized the term FAI, femoracetabular impingement, and described its effect on labral and chondral health.
These investigators calculated the frequency of impingement and subluxation and computed the penetration depth and amount of subluxation.
Nonetheless, dance instructors and medical professionals need to be aware of the increased incidence of labral tear in the presence of morphological irregularity of the hip in the form of Cam-type and Pincer-type impingement.
Their review found that, based on current best evidence, a negative finding for the flexion-adduction-internal rotation test, the flexion-internal rotation test, the impingement provocation test, the flexion-adduction-axial compression test, the Fitzgerald test, or a combination of these tests provides the clinician with the greatest evidence-based confidence that a hip labral lesion is absent.
For example, when employing the impingement test, some examiners performed internal rotation prior to flexing and adducting the hip, while others reversed that sequence.