Chapter 8 Flashcards
Primary function of appendicular skeleton?
Movement
Parts of the pectoral girdle?
Clavicle and scapula
Another word for clavicle?
Collarbone
another name for scapula?
Shoulder blade
Scapula
A large triangular, flat, bone situated in the superior part of the posterior thorax between the 2nd and 7th ribs
Acromian
Flattened, expanded process on the lateral end of the spine of the scapula
What are the three upper limb locations?
Humerus in the arm, ulna and radius in the forearm, and eight carpals in the carpus, the five metacarpals in the metacarpus, and the 14 phalanges in the hand
Humerus
Arm bone is the longest and largest bone of the upper limb articulate proximally with the scapula and distally with the two bones the ulna and radius to form the elbow joint
Where is the palpable boney landmark of the shoulder located?
Greater tubercle
Deltoid tuberosity
Point of attachment for the tendons of the deltoid muscle
Trochlea
Spiral shaped surface that articulates with the trochlear notch of the ulna
Coronoid fossa
An anterior depression that receives to coronoid process of the ulna bone in the forearm is flexed
Olecranon fossa
Large posterior depression that receives the olecranon of the olecranon when the forearm is extended
Medial and lateral epicondyle
Rough projections on either side of the distal end of the humerus to which the tendons of most muscles of the forearm are attached
Ulna
Medial aspect of the forearm aka the little finger side and is longer than the radius
Olecranon
Prominence of the elbow
Radius
Smaller of the forearm bones located on the lateral aspect a.k.a. the thumb side
Carpus
The proximal region of the hand and consists of eight small bones the carpals joined to one another by ligaments
What are the carpals in the proximal row from lateral to medial?
Scaphoid
Lunate
Triquetrum
Pisiform
The carpals in the distal row from lateral to medial are?
Trapezium
Trapezoid
Capitate
Hamate
Metacarpus
Palm is the intermediate region of the hand consisting of bones called metacarpals
What do metacarpals consist of?
Proximal base, intermediate shaft, and distal head