Explain pelvic and pectoral girdles for 2 marks.

PELVIC 1- The pelvic girdle is a ring-like structure, located in the lower part of the trunk. It connects the axial skeleton to the lower limbs. 2- The bony pelvis consists of the two hip bones (also known as innominate or pelvic bones), sacrum and coccyx. 3- less flexible 4- firm attachment to the axial skelton PECTORAL 1- consists of clavicle and scapula 2- cervical holds the glenoid cavity in lateral position allowing arm to "clear" the ribcage at the widest point 3- very flexible better range 4- clavical is only point of attachment to axial skeleton 5- smaller muscles and ligaments, less articular cartilage make it a weaker joint 6- scapula held in position by muscles of the back

  • 2
What are you looking for?