The Appendicular Skeleton Ch. 5c

The Appendicular Skeleton Slide 5.32a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Limbs (appendages)  Pectoral girdle  Pelvic girdle

The Appendicular Skeleton Slide 5.32b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.6c

The Pectoral (Shoulder) Girdle Slide 5.33 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Composed of two bones  Clavicle – collarbone  Scapula – shoulder blade  These bones allow the upper limb to have exceptionally free movement

Bones of the Shoulder Girdle Slide 5.34a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.20a, b

Bones of the Shoulder Girdle Slide 5.34b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.20c, d

Quick Quiz 1.Point to your Clavicle 2.Point to your partner’s Scapula 3.Give a major function of the Shoulder Girdle, and an example of how we might use our shoulder girdle.

Bones of the Upper Limb Slide 5.35a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  The upper arm is formed by a single bone  Humerus Figure 5.21a, b

Bones of the Upper Limb Slide 5.35b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings The forearm has two bones Ulna Pinky Side Radius Thumb Side Figure 5.21c

Bones of the Upper Limb Slide 5.36 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  The hand  Carpals  wrist  Metacarpals  palm  Phalanges  fingers Figure 5.22

Quick Quiz 1.Point to your Humerus 2.Name the two bones of the lower arm, and how you know which is which.

Bones of the Pelvic Girdle Slide 5.37 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Coxal Bone: Hip bones  Composed of three pair of fused bones  Ilium  Ischium  Pubic bone  The total weight of the upper body rests on the pelvis  Protects several organs  Reproductive organs  Urinary bladder  Part of the large intestine

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

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

Gender Differences of the Pelvis Slide 5.39 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.23c

Quick Quiz 1.What are the functions of the Pelvic Girdle? 2.What is the formal name for the Hip Bone? 3.Which bone of the hip is easiest to feel when palpating your hips?

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

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

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

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

Quick Quiz 1.Where is your femur located? 2.What are the two bones of the lower leg called, and how can you tell which is which? 3.Why is the foot arched? 4.What problems might result if the foot is not arched?