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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

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Page 1: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 2: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 3: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 4: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 5: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 6: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

Bipedal Adaptations

Page 7: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

Netter, 2015

Bipedal Adaptations

Hogervorst et al., 2011Pan Australopithecus Homo

Page 8: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

Bipedal Adaptations

Hogervorst et al., 2011

Pan Australopithecus Homo

www.uprighthealth.com

Page 9: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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)

Page 10: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 11: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 12: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

Trevathan, 1999; www.deviantart.com

Page 13: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 14: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 15: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 16: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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

Page 17: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

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

Page 18: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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)

Page 19: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

www.gynsurgery.org & www.clarekelina.org

Page 20: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. 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

Increased Pressures

Rossi (2013)

Page 21: The Evolution of the Human Pelvis · III. Evolution of the Pelvis A. Bipedal Adaptation B. Comparative Primate Morphology IV. Why does pelvic human evolutionary anatomy matter clinically?

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


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