1. Skeletal System Gross Anatomy II
Lecture 7
Skeletal System Gross Anatomy II

2. Appendicular Skeleton
Girdles
Pectoral or shoulder
Pelvic
Upper Limbs
Arm (brachial)
Forearm (antebrachial)
Wrist (carpal)
Hand (manus)
Lower Limbs
Thigh (femoral)
Leg (crural)
Foot (pes)
Fig. 8.1

3. Pectoral Girdle Scapula (2) Clavicle (2) Acromion process
Forms protective cover
Attachment for clavicle
Attachment for muscles
Coracoid process
Glenoid cavity
Articulates with humerus
Clavicle (2)
Fig. 8.3
Fig. 8.2

4. Arm Humerus Head Tubercles Intertubercular groove Capitulum Trochlea
Greater and lesser
Intertubercular groove
Capitulum
Articulates with radius
Trochlea
Articulates with ulna
Epicondyles
Attachment of forearm muscles
Fig. 8.4

5. Forearm Radius Ulna Thumb side
Radial tuberosity (biceps brachii muscle)
Ulna
Little finger side
Trochlear notch
Olecranon process
Radial notch
Fig. 8.5

6. Wrist and Hand
Wrist
8 carpals
Fig. 8.6

7. Pelvis Os Coxae: Right and Left Acetabulum Obturator foramen Sacrum
Ilium
Ischium
Sit down bone
Pubis
Symphysis pubis
Acetabulum
Obturator foramen
Sacrum
Fig. 8.7

8. Os Coxae
Fig. 8.9

9. Thigh Femur Patella or kneecap Head Neck Trochanters Condyles
Greater and lesser
Condyles
Medial and lateral
Epicondyles
Patella or kneecap
Fig. 8.11
Fig. 8.12

10. Leg Tibia Fibula Larger and supports most of weight Tibial tuberosity
Medial malleolus
Fibula
Articulates with tibia not femur
Lateral malleolus
Fig. 8.13

11. Foot
Tarsals (7)
Talus (ankle bone)
Calcaneus (heel)
Fig. 8.14

12. Points to Remember
Appendicular skeleton includes bones of upper and lower limbs and pectoral and pelvic girdles
Pectoral girdle and upper limb held in place largely by muscles
Pelvic girdle has strong articulation with sacrum to help support weight of body

13. Questions?