BMJ3y
337 Relationship of patellofemoral angles and tibiofemoral rotational angles with jumper’s knee in professional folk dancers: an MRI analysis
Lateral patellar tilt angle, The patellofemoral congruence angle) and tibiofemoral rotational angles (Condillary twist angles, posterior condillary angles, femur-Insall angles, tibia-Insall angles, ...
BBC1y
Congruent and similar shapes
Shapes I and L are congruent triangles. When I is rotated 90° anti-clockwise it has the same orientation as L. The sizes of angles must be equal between the two shapes. It is possible to ...