From: Different evolutionary pathways underlie the morphology of wrist bones in hominoids
Carpal | Variable | Description | PC1 | PC2 |
---|---|---|---|---|
Hamate | LHB-H | Maximum proximodistal length of hamate body (excluding hamulus) | 0.846 | 0.032 |
 | HHTF | Maximum dorsopalmar height of hamate triquetrum facet | 0.321 | −0.399 |
 | LHB | Maximum proximodistal length of hamate body | 0.082 | 0.970 |
 | LHTF | Maximum proximodistal length of hamate triquetrum facet | 0.02 | 0.094 |
 | HHB | Maximum dorsopalmar height of hamate body (including hamulus) | −0.273 | −0.034 |
 | HHB-H | Maximum dorsopalmar height of hamate body (excluding hamulus) | −0.660 | −0.234 |
 | BHB | Maximum mediolateral breadth of hamate body | −0.935 | −0.015 |
Variance explained | Â | Â | 55.23% | 22.39% |
Lunate | BLRF | Maximum mediolateral breadth of lunate radial facet | 0.884 | −0.114 |
 | HLRF | Maximum dorsopalmar height of lunate radial facet | 0.747 | 0.024 |
 | BLCF | Maximum mediolateral breadth of kunate capitate facet | 0.452 | −0.361 |
 | BLB | Maximum mediolateral breadth of lunate body | 0.318 | 0.741 |
 | HLTF | Maximum dorsopalmar height of lunate triquetrum facet | 0.235 | −0.09 |
 | HLCF | Maximum dorsopalmar height of lunate capitate facet | 0.188 | 0.388 |
 | LLTF | Maximum proximodistal length of lunate triquetrum facet | −0.061 | −0.253 |
 | HLB | Maximum dorsopalmar height of lunate body | −0.118 | 0.962 |
 | LLB | Maximum proximodistal length of lunate body | −0.393 | 0.304 |
 | HLSF | Maximum dorsopalmar height of lunate scaphoid facet | −0.673 | −0.571 |
 | LLSF | Maximum proximodistal length of lunate scaphoid facet | −0.952 | −0.091 |
Variance explained | Â | Â | 53.99% | 22.61% |
Triquetrum | HTHF | Maximum dorsopalmar height of triquetrum hamate facet | 0.907 | 0.219 |
 | BTHF | Maximum mediolateral breadth of triquetrum hamate facet | 0.529 | 0.019 |
 | BTB | Maximum mediolateral breadth of triquetrum body | 0.385 | 0.14 |
 | HTLF | Maximum dorsopalmar height of triquetrum lunate facet | 0.033 | 0.2 |
 | LTB | Maximum proximodistal length of triquetrum body | −0.036 | −0.061 |
 | LTLF | Maximum proximodistal length of triquetrum lunate facet | −0.08 | −0.972 |
 | HTB | Maximum dorsopalmar height of triquetrum body | −0.697 | 0.258 |
Variance explained | Â | Â | 72.75% | 12.96% |
Capitate | BCN | Minimum mediolateral breadth of capitate neck | 0.987 | −0.121 |
 | BCB | Maximum mediolateral breadth of capitate body | 0.165 | 0.367 |
 | BCPF | Maximum mediolateral breadth of capitate proximal facet | 0.035 | −0.834 |
 | LCB | Maximum proximodistal length of capitate body | −0.096 | 0.972 |
 | HCPF | Maximum dorsopalmar height of capitate proximal facet | −0.859 | −0.107 |
 | HCB | Maximum dorsopalmar height of capitate body | −0.971 | 0.087 |
Variance explained | Â | Â | 70.93% | 22.14% |
Scaphoid* | LSB | Maximum proximodistal length of scaphoid body | 0.951 | −0.089 |
 | HSB | Maximum dorsopalmar height of scaphoid body | 0.352 | −0.075 |
 | LSRF | Maximum proximodistal length of scaphoid radial facet | 0.243 | 0.146 |
 | HSRF | Maximum dorsopalmar height of the scaphoid radial facet | 0.186 | −0.13 |
 | BSB | Maximum mediolateral breadth of scaphoid body | −0.045 | 0.936 |
 | HSLF | Maximum dorsopalmar height of scaphoid lunate facet | −0.056 | −0.36 |
 | LSLF | Maximum proximodistal length of scaphoid lunate facet | −0.693 | −0.129 |
Variance explained | Â | Â | 65.12% | 16.32% |