Essentials of Human Anatomy & Physiology Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Seventh Edition Elaine N. Marieb Chapter 5 Upper Appendicular Skeleton

The Appendicular Skeleton = 126 bones Slide 5.32b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.6c Sacroiliac joint Sternoclavicular joint

The Appendicular Skeleton Slide 5.32a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Upper appendicular: includes left and right sides of body  Pectoral girdle(4)  Upper limbs(60)

The Appendicular Skeleton Slide 5.32a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Lower appendicular: includes left and right sides of body  Pelvic girdle (2)  Lower limbs(60) coxal

Upper Appendicular Skeleton Slide 5.32a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Pectoral girdle  Clavicle (2)  Scapula (2)

Upper Appendicular Skeleton Slide 5.32a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Upper limbs  Humerus (2)  Ulna (2)  Radius (2)  Carpals (16)  Metacarpals (10)  Phalanges (28)

Pectoral (Shoulder) Girdle bones Slide 5.34a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.20a, b Sternoclavicular joint Clavicle = collarbone Articulation between medial end of clavicle & sternum

Pectoral (Shoulder) Girdle bones Glenoid cavity Scapula = shoulder blade Attaches to back & neck muscles Articulates with head of humerous Shoulder muscle attachment & clavical articulation Muscle attachment

Pectoral (Shoulder) Girdle Bones Slide 5.34b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Separated shoulder

Upper Limb bones Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Humerus (upper arm) Greater tubercle Capitulum (lateral condyle) (medial condyle) Articulates with glenoid cavity Shoulder muscle attachment Deltoid muscle attachment Articulates with ulna Articulates with head of radius

Upper Limb bones Slide 5.35a Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.21a, b Humeroscapular (or glenoscapular) joint

Upper Limb bones Slide 5.35b Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Figure 5.21c head In Forearm: Ulna pinky side medial bone Articulates with trochlea of humerous Triceps Between radius & ulna

Upper Limb bones In Forearm: Radius thumb side lateral bone Articulates with capitulum of humerous AND ulna Biceps attachment Wrist muscle attachment Between radius & head of ulna

Upper Limb bones Slide 5.36 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Carpals – wrist  Metacarpals – palm  Phalanges – fingers Figure 5.22 right hand anterior view Hand

Upper Limb bones- Hand Slide 5.36 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Carpals – wrist  Hamate  Pisiform  Triquetral  Lunate  Trapezoid  Trapezium  Scaphold  Capitate Figure 5.22 right hand anterior view

Upper Limb bones- Hand Slide 5.36 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Hand  Metacarpals- palm Figure 5.22 Right hand anterior view

Upper Limb bones- Hand Slide 5.36 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings  Phalanges- fingers  Use numbers too!  “Phalanx” (singular) Figure 5.22 right hand anterior view no middle

Slide 5.36 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Carpal tunnel syndrome Pressure on Medial Nerve (in wrist) Leads to numbness, pain, tingling Treatment includes splinting, steroids, surgery