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HUMAN ANATOMY Chapter 1 Lecture Chapter 7 The Skeletal System: Appendicular Division Chapter 7 Lecture.

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Presentation on theme: "HUMAN ANATOMY Chapter 1 Lecture Chapter 7 The Skeletal System: Appendicular Division Chapter 7 Lecture."— Presentation transcript:

1 HUMAN ANATOMY Chapter 1 Lecture Chapter 7 The Skeletal System: Appendicular Division Chapter 7 Lecture

2 Introduction The appendicular skeleton is involved in changing your position in the external environment. –Standing –Walking –Sitting –Dressing –Driving a car

3 Figure 7.1 The Appendicular Skeleton Introduction

4 The Pectoral Girdle and the Upper Limb Includes the S-shaped clavicle (collarbone) and the flattened scapula (shoulder blade). The clavicle articulates with the sternum’s manubrium; is the only direct connection between the axial skeleton and the pectoral girdle. The scapula is attached to the clavicle anteriorly but has no connection to the actual axial skeleton; instead skeletal muscles and ligaments support it.

5 Figure 7.3 The Clavicle The Clavicle

6 Figure 7.5a,b,c The Scapula The Scapula

7 Figure 7.5d,e,f The Scapula The Scapula supraspinous fossa superior border subscapular fossa acromion coracoid process glenoid fossa spine medial border infraspinous fossa lateral border inferior angle infraglenoid tubercle supraglenoid tubercle

8 The Upper Limb Consists of the: –Brachium (humerus) –Antebrachium (ulna and radius) –Wrist (carpals) –Hand (metacarpals and phalanges)

9 Figure 7.6a The Anterior Humerus The Humerus: Anterior Humerus Head medial epicondyle anatomical neck surgical neck olecranon fossa lateral epicondyle Capitulum greater tubercle Trochlea lesser tubercle coronoid fossa deltoid tuberosity intertubercular groove

10 Figure 7.6d The Posterior Humerus The Humerus: Posterior

11 Figure 7.7a The Posterior Forearm The Ulna and Radius: Posterior Ulna Olecranon styloid process trochlear notch coronoid process radial notch Radius Head Radial tuberosity styloid process ulnar notch

12 Figure 7.7d The Anterior Forearm The Ulna and Radius: Anterior

13 The Wrist and Hand The carpal bones are the eight bones of the wrist. The five metacarpal bones articulate with the distal carpal bones and make up the palm of the hand. The fourteen phalanges of the hand make up the finger bones.

14 Hand SLTPTTCH

15 The Pelvic Girdle and Lower Limb The pelvic girdle supports and protects the lower viscera and developing fetus in females. The bones of the pelvic girdle and lower limb are much more massive than their homologues of the upper limb. Consists of two ossa coxae bones. The lower limb includes the thigh (femur), kneecap (patella), leg, (tibia and fibula), ankle (tarsals), and foot (metatarsals and phalanges).

16 Figure 7.10a Lateral Pelvic Girdle The Pelvic Girdle Ilium iliac crest auricular surface greater sciatic notch iliac fossa anterior superior iliac spine posterior superior iliac spine posterior inferior iliac spine anterior inferior iliac spine Ischium ischial spine ischial ramus ischial tuberosity Pubis superior ramus inferior ramus symphysis pubis pubic tubercle

17 Figure 7.10b Medial Pelvic Girdle The Pelvic Girdle

18 Figure 7.11a Anterior PelvisFigure 7.11b Posterior Pelvis The Pelvis

19 Figure 7.12a Superior PelvisFigure 7.12c Inferior Pelvis The Pelvis

20 The Pelvis: Male vs. Female The male and female pelvis contains numerous differences. –Generally the male pelvis is heavier with more prominent markings due to the larger muscles attached to it.

21 The Pelvis: Male vs. Female Characteristics of the female pelvis: –Enlarged pelvic outlet, due to wider ischial spines –Less curvature of the sacrum and coccyx –Wider, more circular pelvic inlet –Broader, lower pelvis –Widely fanning ilia –Pubic angle greater than 100°

22 Figure 7.14a The Anterior Femur The Femur: Anterior Femur Head Neck greater trochanter lesser trochanter intercondylar fossa patellar surface linea aspera fovea capitis medial condyle lateral condyle intertrochanteric line intertrochanteric crest

23 Figure 7.14d The Posterior Femur The Femur: Posterior

24 Figure 7.15 The Patella The Patella

25 Figure 7.16a The Anterior Tibia and Fibula The Tibia and Fibula: Anterior Tibia lateral condyle medial condyle tibial tuberosity intercondylar eminence medial malleolus fibular notch Fibula Head lateral malleolus shaft

26 Figure 7.16d The Posterior Tibia and Fibula The Tibia and Fibula: Posterior

27 The Ankle and Foot Seven tarsal bones make up the ankle. The five metatarsal bones articulate with the distal tarsal bones and make up the arches of the foot. The fourteen phalanges of the foot make up the toe bones.

28 Foot Tarsals Talus Calcaneus Cuboid navicular cuneiforms - 1st, 2nd, 3rd

29 3 Arches


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