The Upper limb Flashcards
Bones and muscles of the Upper limb
___________ attach the limbs to the axial skeleton
Girdles
Each upper limb has _____ bones
32
The pectoral (shoulder) girdle has ______ bones and the free part has ________bones
pectoral (shoulder) girdle: 2 bones
free part : 30 bones
The upper limb consists of the total number of——– bones.
30 bones.
These include the
bones of the arm (humerus),
forearm (radius and ulna),
wrist (carpals),
hand (metacarpals), and
fingers (phalanges).
The structure on the proximal end of the humerus ——— is subjected to fracture/injury.
surgical neck of the humerus
The head of the humerus articulates with———-.
glenoid cavity of the scapula
————of the humerus accommodates the head of the radius
_Capitulum
Posterior depression on the distal end of the humerus is———-.
Olecranon fossa
Capitulum of the humerus articulates with—–
head of the radius
——–serves as the attachment for the tendon of the deltoid muscle.
Deltoid tuberosity
The posterior side of the distal end of the ulna has a prominence (tip of the elbow) called————–.
Olecranon
The radial notch of the ulna articulates with ————-.
head of the radius.
A fibrous connective tissue between the radius and ulna is————–.
Interosseous membrane
Fracture the ——–of the radius is the most common in adults older than 50 years.
distal end of the radius,
—— is the point of attachment for the tendons of the biceps brachii.
radial tuberosity.
The distal end of the radius articulates with two bones of the wrist are——-, ——–.
Scaphoid and Lunate.
The proximal row of carpal bones articulate with the distal end of the —— and ——–.
radius and ulna.
In about 70% of the carpal fractures, only the ——–is broken.
Scaphoid bone
The heads of metacarpals articulate with the proximal phalanges to form the ————-joint.
metacarpophalangeal (MP) joint (Knuckles)
————is the joint between the bones of the phalanges.
Interphalangeal joint (IP)
——- is another term used for the thumb.
Pollex
There are ———phalanges (finger bones) in the five digits of each hand.
14 phalanges
The thumb has only——-phalanges.
2 phalanges
The joint between metacarpals and phalanges is the ——- type of joint.
condyloid or ellipsoidal joint