Chapter 5 The Skeletal System Essentials of Human Anatomy & Physiology Seventh Edition Elaine N. Marieb Chapter 5 The Skeletal System Slides 5.38a – 5.44 Lecture Slides in PowerPoint by Jerry L. Cook Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

The Pelvis Figure 5.23a Slide 5.38a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Male or Female? ? ?

The Pelvis Figure 5.23b Slide 5.38b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Gender Differences of the Pelvis 1. Flared Illium in females 2. Pubic Arch WIDER in Females! 3. Pelvic opening larger (& rounder) in Females! Figure 5.23c Slide 5.39 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Bladder Stone

Bones of the Lower Limbs The thigh has one bone Femur – thigh bone Figure 5.35a, b Slide 5.40a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Bones of the Lower Limbs The leg has two bones Tibia Fibula Figure 5.35c Slide 5.40b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Bones of the Lower Limbs The foot Tarsus – ankle Metatarsals – sole Phalanges – toes Figure 5.25 Slide 5.41 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Arches of the Foot Bones of the foot are arranged to form three strong arches Two longitudinal One transverse Calcaneus – supports body weight Figure 5.26 Slide 5.42 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Joints Articulations of bones Functions of joints Hold bones together Allow for mobility Ways joints are classified Functionally Structurally Slide 5.43 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings

Functional Classification of Joints Synarthroses – immovable joints Amphiarthroses – slightly moveable joints Diarthroses – freely moveable joints Slide 5.44 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings