8,9 & 10th ribs are attached to 7th rib by which joint
Aicular surface of the seventh to tenth ribs are flat, permitting up and down gliding movements or bucket-handle movements of lower ribs B D CHAURASIA&;S HUMAN ANATOMY UPPER LIMB THORAX, VOLUME -1 SIXTH EDITION Page no:209,201
Fibrous
Synol
1st cailagenous
2nd cailaginous
Thorax