The pubofemoral ligament only contributed significantly to rotational restraint when the hip was fully abducted, contributing to external rotation restraint in extension and internal rotation restraint in hip flexion (Fig. 5).
In the absence of internal, moral restraints, external ones can only do so much.The world watched London in fascinated amazement.
The contribution of the capsular ligaments was not uniform: the ischiofemoral ligament provided primary internal rotation restraint in more than half the tested positions and was particularly prominent in high flexion (≥ 30°), adduction and internal rotation, or low flexion (≤ 30°), abduction and internal rotation (Fig. 5).
The internal rotation restraint and supporting sling protecting against subluxation in deep hip flexion (Figs 5 and 6) offered by the ischiofemoral ligament could benefit patients who have undergone THA by passively stabilising the hip in a position where few muscles have favourable lines of action.
The contraction of the material is normally hindered by either internal or external restraints so that tensile stresses are induced.
If nothing else, for a brief moment, a few days, we can embrace our full identity and worship freely without the internal or external restraints as a supposed walking dichotomy.
Early-age cracking might be due to external loading, but also to the internal or external restraint resulting from autogenous, drying and thermal shrinkage.
With references to the relevant standards, sections address structural design of rigid, semi-rigid and flexible pipes, longitudinal stress, steel pipe wall thickness, resistance to internal forces, pipe restraint and thrust blocks.
The anterior cruciate ligament (ACL) is the primary restraint to anterior tibial translation, secondary restraint to valgus rotation, and tertiary restraint to internal tibial rotation [ 1].
The iliofemoral ligament provided primary external rotation restraint in all hip positions, and both primary internal and external rotation restraint when the hip was extended or in neutral hip flexion (Fig. 5).
