Figure 4: Testing for gluteus maximus weakness. Clinical testing of the GM can be done by having the patient perform a one-leg squat or hop or by watching the patient descend stairs. The knee should track down straight in alignment with the tibia and femur (left image).
Surnames relating to color are relatively common in Spanish, and in Catalan too. Examples: Blanco in Spanish and Blanc in Catalan, meaning White in English, Rojo in Spanish and Roig or Vermell in Catalan, meaning Red, Negro in Spanish and Negre in Catalan, meaning Black.
A Color Index Name starts with one of 10 pigment codes from the Color Index, for instance PB (Pigment Blue), PR (Pigment Red), or PY (Pigment Yellow). This is followed by a number for a specific pigment. Every different pigment used for paint has a different Color Index Name. For instance PB 29 is Pigment Blue 29.