Supplementary material for Gibbs et al., Proc. Natl. Acad. Sci. USA, 10.1073/pnas.190252697

1. Piriformis fused with gluteus medius: (0) yes, (1) variable.
2. Origin of gluteus minimus is continuous: (0) yes, (1) variable, (2) no.
3. Gluteus medius origination from fascia lata: (0) no, (1) yes.
4. Gluteus medius is bipinnate: (0) no, (1) yes.
5. Tensor fascia latae fused proximally with gluteus maximus: (0) yes, (1) variable.
6. Tensor fascia latae fused laterally with gluteus medius and minimus: (0) yes, (1) no.
7. Gluteus maximus fused with biceps femoris: (0) at origin, (1) no fusion, (2) more distally.
8. Gluteus maximus insertion into hypotrochanteric fossa: (0) no, (1) yes.
9. Superior gemellus absent: (0) variable, (1) yes, (2) no.
10. Quadratus femoris split at insertion: (0) yes, (1) variable, (2) no.
11. Obturator externus fused at insertion with obturator internus: (0) yes, (1) variable.
12. Gracilis origin extends to whole pubic body: (0) yes, (1) no.
13. Single origin of adductor brevis: (0) yes, (1) variable, (2) no.
14. Adductor brevis origination from superior pubic ramus: (0) no, (1) yes.
15. Adductor brevis inserted between pectineus and upper part of adductor magnus: (0) yes, (1) no.
16. Adductor magnus insertion into inferior border of quadratus femoris insertion: (0) yes, (1) no.
17. Adductor minimus absent: (0) yes, (1) variable, (2) no.
18. Rectus femoris has two heads: (0) no, (1) variable, (2) yes.
19. Vastus medialis origination from intermuscular septa: (0) no, (1) yes.
20. Vastus medialis insertion onto medial patellar surface: (0) no, (1) variable, (2) yes.
21. Vastus lateralis origination from iliofemoral ligament: (0) no, (1) yes.
22. Articularis genus present: (0) yes, (1) variable.
23. Origin of short head of biceps femoris: (0) posterolateral femur and lateral intermuscular septum, (1) posterolateral femur only.
24. Insertion of long head of biceps femoris into iliotibial tract: (0) no, (1) yes.
25. Insertion of short head of biceps femoris onto lateral intermuscular septum: (0) no, (1) yes.
26. Common origin of semitendinosus and semimembranosus in some specimens: (0) no, (1) yes.
27. Semimembranosus insertion into popliteal fascia and posterior wall of knee capsule via oblique popliteal ligaments: (0) no, (1) yes.
28. Tibialis anterior origination from crural fascia: (0) no, (1) yes.
29. Extensor digitorum origination from crural fascia: (0) no, (1) yes.
30. Peroneus tertius present: (0) yes (30-50%), (1) yes (5%) or no, (2) yes (95%).
31. Peroneus longus origination from lateral tibial condyle: (0) yes, (1) no.
32. Peroneus brevis insertion onto first and second phalanges of digit V: (0) no, (1) variable.
33. Tibial origin of soleus present: (0) no, (1) variable, (2) yes.
34. Plantaris absent: (0) yes, (1) majority, (2) 50%, (3) 5-10%.
35. Extensor digitorum brevis tendon to digit V present in some specimens: (0) yes, (1) no, (2) variable.
36. Slip from abductor hallucis into base of MI: (0) yes, (1) no.
37. Both heads of flexor hallucis brevis fused with abductor hallucis: (0) yes, (1) no.
38. Lateral head of flexor hallucis brevis fused with adductor hallucis: (0) no, (1) yes.
39. Two heads of adductor hallucis fused: (0) yes, (1) variable, (2) no.
40. Oblique head of adductor hallucis origination from sheath of peroneus longus: (0) no, (1) yes.
41. Insertion of abductor hallucis onto medial cuneiform in some specimens: (0) no, (1) yes.
42. Medial and lateral heads of flexor hallucis brevis separated by septum: (0) no, (1) yes.
43. Flexor hallucis brevis insertion into MI: (0) yes, (1) no.
44. Origin of transverse head of adductor hallucis: (0) MIV, second, third and fourth metatarsophalangeal joints and ligaments, (1) third, fourth (fifth) metatarsophalangeal joints and ligaments, (2) MIV, (3) neither.
45. Opponens hallucis present: (0) variable, (1) yes.
46. Abductor os metatarsi digiti minimi present: (0) no, (1) variable, (2) yes.
47. Fourth dorsal interosseous has two heads: (0) yes, (1) no.
48. Origin of first dorsal interosseous: (0) medial side MII, (1) lateral side MI, medial side MII, (2) medial cuneiform, medial side MII.
49. Flexor digitorum brevis origination from plantar aponeurosis: (0) no, (1) yes.
50. Flexor digitorum brevis fused with abductor hallucis in some specimens: (0) no, (1) yes.
51. Abductor pollicis brevis divides into slips: (0) no, (1) variable, (2) yes.
52. Occasional reinforcement of abductor pollicis brevis by slips from flexor pollicis brevis: (0) yes, (1) no.
53. Abductor pollicis brevis insertion into MI: (0) yes, (1) no.
54. Site of origin of radial head of flexor pollicis brevis: (0) flexor retinaculum and MI, (1) flexor retinaculum, MI and trapezium, (2) flexor retinaculum and trapezium.
55. Opponens pollicis sends slips forward to radial side of base of proximal and middle phalanges: (0) yes, (1) no.
56. Palmaris brevis: (0) absent, (1) variable, (2) present.
57. Site of origin of pronator teres: (0) medial humeral epicondyle, (1) medial humeral epicondyle; medial intermuscular septum
58. Humeral head of pronator teres fused with flexor carpi radialis: (0) no, (1) yes.
59. Humeroulnar head of flexor digitorum superficialis takes origin from intermuscular septum: (0) no, (1) yes.
60. Flexor carpi radialis insertion into intermuscular septum: (0) no, (1) yes.
61. Flexor carpi radialis fused with flexor digitorum superficialis: (0) no, (1) yes.
62. Flexor carpi radialis insertion into palmar surface of base of MIII: (0) variable, (1) yes.
63. Palmaris longus: (0) variable, (1) present.
64. Flexor carpi ulnaris origination from intermuscular septum: (0) no, (1) yes.
65. Flexor carpi ulnaris gives origin to some fibers for flexor digitorum superficialis: (0) no, (1) yes.
66. Orientation of pronator quadratus: (0) strongly oblique, (1) moderately oblique, (2) weakly oblique.
67. Extension of origin of flexor digitorum profundus: (0) none, (1) medial coronoid process, (2) medial humeral condyle, (3) both.
68. Flexor pollicis longus origination from anterior radius and interosseous membrane: (0) no, (1) yes.
69. Flexor pollicis longus takes origin from palmar fascia: (0) no, (1) yes.
70. Flexor pollicis longus gives origin to tendon to digit II: (0) no, (1) variable, (2) yes.
71. Extensor carpi radialis brevis origination from radial collateral ligament: (0) no, (1) yes.
72. Origin of extensor carpi radialis brevis from intermuscular septum: (0) no, (1) yes.
73. Insertion of extensor carpi radialis brevis to MII: (0) yes, (1) variable, (2) no.
74. Accessory tendon of extensor carpi radialis longus to MI: (0) no, (1) variable (4-12%), (3) variable (50%).
75. Fusion of brachioradialis with brachialis: (0) yes, (1) variable, (2) no.
76. Extensor digitorum origination from intermuscular septum: (0) no, (1) yes.
77. Origin of extensor digitorum from radius and/or ulna in some specimens: (0) ulna, (1) radius and ulna, (2) neither.
78. Origin of extensor digitorum from antebrachial fascia: (0) no, (1) yes.
79. Slips from extensor digitorum tendon for digit IV: (0) to digit V, (1) to digit II, digit V, (2) to digit III.
80. Coracobrachialis origination from intermuscular septum in some specimens: (0) no, (1) yes
81. Coracobrachialis fused with brachialis: (0) no, (1) yes.
82. Multiple components of coracobrachialis present in some specimens: (0) no, (1) yes.
83. Extension of insertion of coracobrachialis: (0) none, (1) anteriorly, (2) anteriorly and distally, (3) distally.
84. Brachialis origination from intermuscular septa: (0) no, (1) yes.
85. Lateral head of triceps brachii origination from lateral intermuscular septum: (0) no, (1) yes
86. Insertion of extensor digitorum extends into middle or distal phalanges in some specimens: (0) no, (1) yes.
87. Insertion of extensor digitorum into interphalangeal joints: (0) no, (1) yes.
88. Ulnar origin for extensor digiti minimi in some specimens: (0) yes, (1) no.
89. Extensor digiti minimi absent from some specimens: (0) no, (1) yes.
90. Extension of extensor carpi ulnaris to first phalanx of digit V in some specimens: (0) no, (1) yes
91. Supinator origination from ligaments of elbow: (0) no, (1) yes.
92. Abductor pollicis longus origination from intermuscular septum: (0) no, (1) yes.
93. Extensor pollicis brevis origination from ulna and interosseous membrane: (0) no, (1) yes.
94. Extensor pollicis brevis insertion onto base of proximal phalanx of digit I: (0) no, (1) yes.
95. Extensor indicis origination from interosseous membrane: (0) yes, (1) no.
96. Most common pattern of insertion of extensor indicis: (0) digits II, III, IV, (1) digits II and III, (2) digit II.
97. Ranked position of average total body hair density per cm²: (0) 3, (1) 8 or 9, (2) 12 or 13.
98. Sternal glands: (0) present, (1) absent.
99. Ratio of nipple position to horizontal height index of nipple position: (0) 2.625, (1) 1.654 and 1.783, (2) 1.011 and 1.070.
100. Axillary organ: (0) absent, (1) present.
101. Number of bellies of omohyoid: (0) three, (1) one, (2) two or three, (3) one, two, or three.
102. Anterior bellies of digastric in contact in midline: (0) yes, (1) no.
103. Cricothyroid insertion onto external surface of posterior thyroid lamina: (0) yes, (1) no.
104. Apex of tongue: (0) rounded, (1) square.
105. Apical lingual gland: (0) absent, (1) variable, (2) present.
106. Filiform papillae on posterior third of tongue: (0) present, (1) absent.
107. Conical filiform predominate over cylindrical filiform: (0) yes, (1) no.
108. Sublingual fold triangular: (0) yes, (1) no.
109. Deltoid origination from infraspinous fascia: (0) no, (1) yes.
110. Insertion of teres minor: (0) greater tubercle, (1) greater tubercle and shaft below, (2) greater tubercle, shaft below, and humeral head, (3) greater tubercle and humeral head only.
111. Origin of teres minor: (0) lateral border, (1) lateral border and intermuscular septum, (2) lateral border and intermuscular septum, separated from teres major by long head of triceps.
112. Latissimus dorsi origination from inferior scapular angle: (0) no, (1) variable, (2) yes.
113. Extent of costal origin of latissimus dorsi: (0) five ribs, (1) four or five ribs, (2) six ribs, (3) three ribs.
114. Extent of origin of teres major from lateral scapular border: (0) 30%, (1) 50%, (2) more than 50%.
115. Insertion of subscapularis: (0) lesser humeral tubercle, (1) lesser humeral tubercle and shaft below, (2) lesser humeral tubercle, shaft below and capsule of shoulder joint, (3) lesser humeral tubercle and capsule of shoulder joint.
116. Accessory bundles of subscapularis: (0) absent, (1) variable
117. Extent of costal origin of subclavius: (0) first, second, and third ribs, (1) first and second ribs, (2) first rib.
118. Extent of costal origin of serratus anterior: (0) 1-9, 10, and 11, (1) 1-9, 10, 11, and last rib, (2) 1-9 (10).
119. Pectoralis major insertion into tendon of short head of biceps brachii: (0) yes, (1) no.
120. Extent of costal origin of pectoralis major: (0) none, (1) cranial and caudal, (2) caudal, (3) cranial.
121. Cranial extent of costal origin of pectoralis major: (0) absent, (1) second rib, (2) first rib.
122. Caudal extent of costal origin of pectoralis major: (0) absent, (1) seventh rib, (2) eighth rib.
123. Extent of clavicular origin of pectoralis major: (0) two-thirds, (1) half, (2) medial third.
124. Incidence of absence of clavicular head of pectoralis major: (0) no, (1) yes (30%), (2) yes (80%).
125. Divisions of pectoralis major: (0) two parts, (1) variable.
126. Origin of psoas major extends to S1: (0) yes, (1) variable, (2) no.
127. Origin of psoas minor from T12: (0) variable, (1) yes.
128. Origin of psoas minor from L2: (0) variable (30%), (1) variable (50%), (2) variable (75%), (3) no.
129. Bulbospongiosus origination from ischial ramus: (0) yes, (1) no.
130. Bulbospongiosus origination from perineal body: (0) no, (1) variable, (2) yes.
131. Coccygeus insertion into anococcygeal raphe: (0) yes, (1) no.
132. Coccygeus insertion into sacrum: (0) no, (1) yes.
133. Penile spines: (0) present, (1) absent.
134. Ventral groove in glans penis: (0) present, (1) absent.
135. Scrotal position: (0) prepenial, parapenial, or postpenial, (1) postpenial or parapenial/postpenial, (2) postpenial.
136. Dependency of scrotum: (0) variable, (1) dependant, (2) nondependent.
137. Relative testes size (ratio of observed/predicted body testes size): (0) 0.31-0.33, (1) 0.14, (2) 0.50, (3) 1.53.
138. Urethral papilla: (0) present, (1) absent.
139. Transverse rugae of vagina: (0) less developed, (1) more developed.
140. Number of taeniae coli: (0) three, (1) four, (2) variable.
141. Origin of subscapular artery: (0) common trunk, (1) axillary artery.
142. Origin of lateral thoracic artery: (0) thoracoacromial artery, (1) axillary artery.
143. Pectoral branch of thoracoacromial artery: (0) absent, (1) variable, (2) present.
144. Supreme thoracic artery: (0) absent, (1) present.
145. Thyroidea ima arises from left common carotid in some specimens: (0) yes, (1) no.
146. Most common form of branches from aortic arch: (0) E, (1) B, (2) C [see Keith (ref. 1) for key].
147. Perforating branch of peroneal artery anastomoses with anterior lateral malleolar artery: (0) yes, (1) no.
148. Origin of peroneal artery: (0) posterior tibial artery, (1) popliteal artery, (2) anterior tibial artery.
149. Digital branches of deep plantar arch to adjacent sides of II and III: (0) present, (1) variable, (2) absent
150. Size of lateral plantar artery: (0) absent, (1) smaller than medial plantar, (2) equal to medial plantar, (3) larger than medial plantar.
151. Inferior medial and inferior lateral genicular branches of popliteal artery: (0) present, (1) absent.
152. Origin of medial femoral circumflex artery: (0) external iliac, (1) variable, (2) profunda femoris, (3) femoral artery.
153. Number of perforating branches of profunda femoris: (0) two, (1) none, (2) three.
154. Muscular branches of profunda femoris for hamstrings: (0) no, (1) yes.
155. Muscular branches of profunda femoris for quadriceps: (0) no, (1) yes
156. Perforating veins in cubital fossa: (0) present, (1) variable, (2) absent.
157. Basilic vein: (0) absent, (1) variable, (2) present.
158. Cephalic vein "short" in some specimens: (0) no, (1) yes (20-25%), (2) yes (80-100%).
159. Origin of palmar metacarpal arteries: (0) deep palmar arch, (1) radial artery, (2) absent.
160. Origin of radialis indicus: (0) deep palmar arch, (1) first palmar metacarpal artery, (2) radial artery
161. Superficial palmar arch: (0) variable, (1) absent, (2) present.
162. Origin of posterior interosseous artery: (0) brachial artery, (1) common interosseous.
163. Anterior and posterior ulnar recurrent arteries originate from a common trunk: (0) yes, (1) variable, (2) no.
164. Palmar carpal branch of ulnar artery: (0) present, (1) absent.
165. Dorsalis indicis and dorsal metacarpal branches of ulnar artery: (0) absent, (1) present.
166. Termination of superficial palmar artery: (0) thenar muscles, (1) superficial palmar arch.
167. Superficial palmar artery passes over thenar muscles in some specimens: (0) no, (1) yes.
168. Origin of radial recurrent artery: (0) radial artery, (1) variable, (2) brachial artery.
169. Dorsalis pollicis: (0) present, (1) absent.
170. Point at which radial artery enters palm: (0) dorsum of second interosseous space, (1) dorsum of first interosseous space.
171. Origin of superior ulnar collateral artery: (0) profunda brachii, (1) brachial artery.
172. Profunda brachii originates from brachial artery in some specimens: (0) no, (1) yes.
173. Latissimus dorsi innervated in common with teres major: (0) yes, (1) variable, (2) no.
174. Origin of subscapular nerves: (0) C5–C7, (1) C5–C8, (2) C5–C8 and T1, (3) C5 and C6.
175. Number of lumbricals supplied by median nerve: (0) two, (1) two or three, (2) one or two.
176. Number of digits supplied by median nerve: (0) two and a half, (1) three and a half.
177. Digits supplied by radial nerve: (0) one and a half, (1) two and a half.
178. Radial nerve innervates brachioradialis: (0) no, (1) yes.
179. Gangliform enlargement at junction of radial and posterior interosseous nerves: (0) absent, (1) present.
180. Axillary nerve innervates subscapularis: (0) no, (1) yes.
181. Origin of axillary nerve: (0) C5–C8, (1) C5–C8 and T1, (2) C5–C7.
182. Number of lumbricals innervated by ulnar nerve: (0) two, (1) one, (2) three.
183. Ulnar nerve innervates flexor pollicis brevis in some specimens: (0) no, (1) yes (~50%), (2) yes (100%).
184. Ulnar nerve supplies hypothenar muscles: (0) no, (1) yes
185. Intercostobrachial nerve includes elements from T3 in some specimens: (0) no, (1) yes.
186. Psoas minor innervated by femoral nerve: (0) no, (1) yes
187. Origin of lateral cutaneous femoral nerve from L1 and L3: (0) no, (1) variable, (2) yes.
188. Femoral nerve origination from L1 and L4: (0) L4, (1) variable, (2) L1.
189. Genitofemoral nerve origination from L2: (0) yes, (1) no.
190. Genitofemoral nerve pierces psoas major: (0) yes, (1) variable.
191. Obturator nerve origination from L1: (0) no, (1) yes.
192. Muscular branches of obturator nerve: (0) adductors, obturator externus, gracilis, (1) adductors, obturator externus, gracilis, pectineus.
193. Muscular branches of medial plantar nerve: (0) two medial lumbricals, (1) two medial lumbricals; adductor hallucis, (2) one medial lumbrical.
194. Digital branches of lateral plantar nerve: (0) one and a half, (1) two and a half.
195. Muscular branches of tibial nerve: (0) none of these, (1) flexor digitorum longus, (2) flexor digitorum longus, tibialis posterior and flexor hallucis longus.
196. Superficial peroneal nerve supplies medial side of digit II: (0) yes, (1) no.
197. Flexores femoris nerve: (0) present, (1) variable, (2) absent.

1. Keith, A. (1895) J. Anat. Phys. 29, 453-458.