Appendicular Bone Flashcards
The appendicular skeleton is composed of
Bones that attach to upper and lower limbs and bones that attach to the limbs of the axial skeleton
What are the bones found in the upper and lower limbs
Humerus
Ulna
Carpal bones
Bones of the hand
Femur
Tibia
Fibula
Patella
Taraal bones
Bones of the foot
What are the bones that attach the limbs to the axial skeleton
Shoulder girdle - clavicle and scapula
Pelvic girdle - os coxae
When does appendicular skeleton develop
Before birth
Appendicular skeleton development continues to early adulthood and completes around what age?
25
Anchor the upper limb to the axial skeleton and facilitates movement of the upper limb
Serve as attachment sites for muscles that move shoulder and arm
Shoulder girdle
What bones compose the shoulder girdle
Clavicle and scapula
A loosely anchored S shape bone and known as the collar bone
Clavicle
The clavicle articulates medially with manubrium of sternum Wich forms what?
Sternoclavicular joint
The clavicle articulates laterally with the acromion of scapula to form what?
The acromioclavicular joint
It is located in the posterior shoulder
Scapula
The glenoid cavity articulates with the humerus to form the
glenohumeral joint
The 3 borders of the scapula
Superior, medial and lateral borders
What are the bones found in the arm
Humerus
Ulna
Radius
Carpal bones
Metacarpal bones of the hands
Phalanges of the fingers
Multiple sites for muscles attachment and it’s distal ends form at the elbow
Humerus
What are the boney markings of the humerus
Anatomical neck
Surgical neck
Greater and lesser tubercles
Intertubercular bicipital groove
Body(shaft) of the humerus
Medial and lateral epicondyles
Coronoid and radial fossa
It is the medial bone of antebrachial region and the proximal end resembles a C and allows hinge-like motion of the forearm
Ulna
Lateral bone of the antebrachial region Wich rotates around the ulna to allow pronation and supination of the forearm
Radius
Proximal row (lateral to medial) bones of the wrist(Carpals)
Scaphoid
Lunate
Triquetrum
Pisiform
bones of the wrist (Carpals)Distal row (lateral to medial)
Trapezium
trapezoid
capitate
hamate
How many metacarpals and phalanges are there in the hand
Five metacarpals
Fourteen phalanges
What bones form the pelvis
2 hip bones (coxae)
The sacrum
The coccyx
It is a largely immobile and weight lifting structure
Pelvis
The Os coxae is formed by these three bones
Ilium
Ischium
Pubis
It is anchored anteriorly by the pubic symphisis and is anchored posteriorly to the sacrum
Os coxae
It is a large fan shaped superior portion the os coxae and is a large muscle attachment sites that moves lower extremities
Ilium
It is the posterior portion of the Os coxae and is a large muscle attachment Site
Ischium
It is the anterior portion of the Os coxae
Pubis
Forms at fusion site of ilium, pubis and ischium
Acetabulum
Large openings filled with connective tissue that allows nerves to pass through and reach the anterior leg
Obturator foramen
Divides greater pelvis from lesser pelvis
Pelvic brim
Lies superior to lesser pelvis
Greater pelvis
The Greater pelvis contains mainly ______
Abdominal organs
Contains the bladder the rectum and reproductive organs
Lesser pelvis
Is the roof of the lesser pelvis
Pelvic inlet
Is the floor of the lesser pelvis
Pelvic outlet
What sex has a larger and heavier pelvis
Male
What sex has a pelvis that is wider, shallower and the pelvic inlet is oval and rounded
Female
What are the bones found in the leg
Femur
Tibia
Fibula
Tarsals, metatarsals, and phalanges of the foot
The longest and strongest bone in the body that is found in the thigh region
Femur
Medial and lateral condyles articulate to form a ________
Knee joint
It is the largest and the only sesamoid bone found in the body. It increases leverage power of thigh muscles
Patella
These bones are found in the lower leg
Tibia and fibula
It is the medial bone in the lower leg
Tibia
It is the lateral bone in the lower leg
Fibula
What are the proximal row of tarsals
Talus
Calcaneus
Navicular
What are the distal rows of tarsals
Cuboid
Medial cuneiform
Intermediate cuneiform
Lateral cuneiform