The Evolution of the Human Pelvis

Tafline C. Arbor, Ph.D.Marian University College of Osteopathic Medicine

Division of Biomedical Sciences, Anatomy

Lee Ann Conlan

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Introduction

Gilroy (2014)

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Human EvolutionI. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

MYA 7 6 5 4 3 2 1 0

Sahelanthropus tchadensis?

Orrorin tugenensis

Ar. kadabba

A. anamensis

A. afarensis

A. africanus

Kenyanthropus platyops

A. garhi

A. aethiopicusA. boisei

A. robustus

A. sediba

H. habilis

H. rudolfensis

H. georgicus

H. ergasterH. erectus

H. antecessor

H. heidelbergensis

H. neanderthalensis

H. floresiensis?

H. sapiens

Bipedality

Fire

Stone Tools

Early hominin

Genus Homo

Major Devpt

A. ramidus

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Present

1.0 mya

2.0 mya

3.0 mya

4.0 -6.0 myaJohanson and Edgar (2006) , other sources available upon request

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Bipedal Adaptations

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Netter, 2015

Bipedal Adaptations

Hogervorst et al., 2011Pan Australopithecus Homo

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Bipedal Adaptations

Hogervorst et al., 2011

Pan Australopithecus Homo

www.uprighthealth.com

Comparative Primate Morphology

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Swindler and Wood (1982)

Homo (Modern Human)

Pan (Chimpanzee)

Why does pelvic human evolutionary anatomy matter clinically?

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Carol Wollinsky

Obstetric ConsiderationsI. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Trevathan, 1999Ohu.edu & Cutestuff.com

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Trevathan, 1999; www.deviantart.com

De Leon and Zollikofer

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Hogervorst et al., 2011Pan Australopithecus Homo

De Leon et al., 2008

Human Sexual DimorphismI. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

1, 2

3

4

5

6

Male Female

Female

Pelvic Floor ConditionsI. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

*

*

*

Puborectalis

Pubococcygeus

Iliococcygeus

Coccygeus (Ischiococcygeus)

Levator Ani

Swindler and Wood (1982)

Homo (Modern Human)

Pan (Chimpanzee)

Papio (Baboon)

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Homo (Modern Human) Pan (Chimpanzee) Papio (Baboon)

Swindler and Wood (1982)

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Homo (Modern Human)

Pan (Chimpanzee)

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

www.gynsurgery.org & www.clarekelina.org

I. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions

Increased Pressures

Rossi (2013)

Summary and ConclusionsI. IntroductionII. Background

A. Human EvolutionIII. Evolution of the Pelvis

A. Bipedal AdaptationsB. Comparative Primate Morphology

IV. Why does pelvic human evolutionary anatomy matter clinically?

V. Summary and Conclusions