8,9 & 10th ribs are attached to 7th rib by which joint
Fibrous
Synol
1st cailagenous
2nd cailaginous
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
Thorax