A&P: Chapter 8: Appendicular Skeleton
Longe bone of upper arm
Humerus
Longets and heaviest bone in the body
Femur
Smaller, more laterally and deeply placed if two leg bones
Fibula
Long Bone found on thumb side of forearm
Radius
What do metacarpals articulate with? (2)
1) Carpals 2) Phalanges
What does the tibia articulate with? (3)
1) Femur 2) Fibula 3) Talus
What does the humerus articulate with? (3)
1) Glenoid Fossa of Scapula 2) Radius 3) Ulna
Bones of the upper extremity (6)
1) Humerus 2) Ulna 3) Radius 4) Carpal Bones 5) Metacarpal Bones 6) Phalanges
What does the glenoid cavity articulate with? (2)
1) Humerus 2) Clavicle
What does the ulna articulate with?
1) Humerus 2) Radius 3) Fibrocatilaginous Disk
What does the radius articulate with?
1) Humerus 2) Ulna 3) Scaphoid 4) Lunate
Name the bones that fuse together to form Coxal bones (3)
1) Ilium 2) Ishcium 3) Pubis
Lower Extremity Bones
1) Pelvis 2) Femur 3) Patella 4) Tibia 5) Fibula 6) Tarsal Bones 7) Metatarsals 8) Phalanges
Name the carpal bones (8)
1) Scaphoid 2) Lunate 3) Triquetrum 4) Pisiform 5) Trapezium 6) Trapezoid 7) Capitate 8) Hamate
What is the pectoral Girdle composed of? (2)
1) Scapula 2) Clavicle
What does the clavicle articualte with? (2)
1) Sternum 2) Acromion process of scapula
Name the Tarsal Bones
1) Talus 2) Calcaneus 3) Cuboid 4) Navicular 5) Cuneiforms a. Medial b. Intermediate c. Lateral
What does the patella articulate with? (2)
1) Tibia 2) Femur
What does the femur articualte with? (2)
1) Tibia 2) Ischium
What does the fibula articulate with?
1) Tibia 2) Talus
How many phalanges per finger? How many in the thumb?
3 ; 2
What is the coxal bone composed of?
3 Bones that fuse together
Defintion of the appendicular skeleton
Bones that attach arms and legs to axial skeleton
How are carpal bones held together?
By ligaments
How is the scapula attached to the ribs?
By muscles and tendons
Eight small bones that form the Wrist
Carpal Bones
Strongest coxal bone
Ischium
What allows for wrist and hand movements?
Joints between radius and carpals
Pelvic Differences: Male vs Female
Male Pelvis: Deep & Funnel shaped with narrow pubic arch Female: Enlarged Pelvic Outlet Broader Pubic angle Less curved sacrum and coccyx Wider, more circular pelvic inlet Pelvis is broader
Form framework of hand
Metacarpal bones
Largest Sesamoid bone in the body
Patella
Protects kneww joint
Patella
What acts as a lever to decrease force needed to lift lower leg
Patella
Stable circular base that supports trunk and attaches lower extremity to it
Pelvic Girdle
Bones of fingers and thumb
Phalanges
What forms pelvis?
Sacrum connected to coxal bone
Connect foot to lower leg
Tarsal Bones
Most freely moveable joint with carpals
Thumb Metacarpal
Larger, Stronger and more medially & superficially located of two leg bone
Tibia
Long bone found on little finger side of forearm
Ulna
Is the pubis symphysis hormone sensitive? Why?
Yes; For childbirth