A&P: Chapter 8: Appendicular Skeleton

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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


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