1. The Upper Limbs

2.  Histology of Bone Tissue  Bone Function and Structure  Bone Growth & Development  Joints  The Axial Skeleton  The Pectoral Girdle  The Upper Limbs  The Pelvic Girdle  The Lower Limbs

3.  22 bones in skull  6 in middle ears  1 hyoid bone  26 in vertebral column  25 in thoracic cage  4 in pectoral girdle  60 in upper limbs  60 in lower limbs  2 in pelvic girdle  206 bones in all

5.  Structures (bones):Totals  Humerus (upper arm): 1 in each arm 2  Ulna and Radius (forearm): 2 in each arm 4  Carpals (wrist): 8 in each arm 16  Metacarpals (hands): 5 in each arm 10  Phalanges (fingers): 14 in each arm 28. Total Number of Bones 60

6.  Function:  Attachment sites for muscles of the arms and hands

7.  Joints of the Upper Arms:  No point of connection to axial skeletal system  Has all types of freely-movable joints:  Saddle: carpal and metacarpal bones of thumb  Ball and socket: shoulder  Pivot- rotation only: proximal end of radius and ulna  Hinge- up and down movement in one plane: elbow  Gliding- sliding and twisting: wrist  Condyloid- movement in different planes but not rotations: between metacarpals and phalanges

12.  Histology of Bone Tissue  Bone Function and Structure  Bone Growth & Development  Joints  The Axial Skeleton  The Pectoral Girdle  The Upper Limbs  The Pelvic Girdle  The Lower Limbs