The appendicular Skeleton
Heads of these bones form the knuckles
metacarpals
Total number of phalanges in the hand
14
Total number of carpals in the wrist
8
Trochlea
A flared medial condyle that articulates with the ulna
Intertubercular sulcus
A groove separating the greater and lesser tubercles; the tendon of the biceps brachii lies in this groove
Spine
A ridge bone on the posterior surface that can be felt through the skin
Arcuate line
A ridge of bone that runs inferiorly and anteriorly from the auricular surface
Deltoid tuberosity
A roughened area about midway down the shaft of the lateral humerus; site of attachment of the deltoid muscle
Capitulum
A rounded lateral condyle that articulates with the radius
Glenoid cavity
A shallow socket that articulates with the head of the humerus
Conoid tubercle
A small, cone-shaped projection located on the lateral, inferior end of the bone; serves to anchor ligaments
Fossa's on the scapula
Anterior aspect: Subsacular fossa Posterior aspect: Infraspinous fossa and suprasinous fossa
Rounded knob on the humerus; adjoins the radius
Capitulum
Wrist Bones
Carpals
Shoulder girdle bone that acts as a brace and articulates with the humerus
Clavicle
Bones of the shoulder girdle
Clavicle and scapula
Clavicle
Collar bone
Process above the glenoid cavity that permits muscle attachment
Coracoid process
Anterior depression, superior to the trochlea, that receives part of the ulna when the forearm is flexed
Coronoid fossa
Trochlear notch
Deep notch that separates the olecranon and the coronoid process; articulates with the trochlea of the humerus
Raised area on the lateral surface of the humerus to which the deltoid muscles attach
Deltoid tuberosity
Ulnar styloid process
Distal pointed projection; located medial to the head of the ulna
Radial styloid process
Distal prominence; site of attachment for the ligaments that travel to the wrist
Acromial (lateral) end
Flattened lateral end that articulates with the acromion of the scapula to form the acromioclavicular (AC) joint
Depression in the scapula that articulates with the humerus
Glenoid cavity
Arm bone
Humerus
Olecranon fossa
Large distal posterior depression that accommodates the olecranon of the ulna
Greater tubercle
Large lateral prominence; site of the attachment of rotator cuff muscles
Acromion
Lateral end of the spine that articulates with the clavicle to form the AC joint
Ulna
Medial bone in the forearm
Small bump often called the "funny bone"
Medial epicondyle
Radial tuberosity
Medial prominence just below the head of the radius; site of attachment of the biceps brachii
Posterior depression on the distal humerus
Olecranon fossa
Humerus
Only bone in the arm
Sternal (medial) end
Oval or triangular medial end that articulates with the sternum to form the lateral walls of the jugular notch
Finger Bones
Phalanges
Coracoid process
Projects above the glenoid cavity as a hooklike process; helps attach the biceps branch muscle
Olecranon
Prominent process on the posterior proximal ulna; articulates with the olecranon fossa of the humerus when the forearm is extended
Head of the radius
Proximal end of the radius that forms part of the proximal radioulnar joint and articulates with the capitulum of the humerus
Ulnar surface that articulates with the radial head
Radial notch
Medial epicondyle
Rough condyle proximal to the trochlea
Auricular Surface
Rough medial surface that articulates with the auricular surface
Carpals in the proximal row
Scaphoid, lunate, triquetrum, pisiform
Shoulder girdle bone that does not articulate with axial skeleton
Scapula
Iliac fossa
Shallow depression below the iliac crest; forms the internal surface of the ilium
Coronoid process
Shaped like a point on a crown; articulates with the trochlea of the humerus
Superior border
Short, sharp border located superiorly
Scapula
Shoulder blade
Head of ulna
Slim distal end of the ulna; forms part of the distal radioulnar joint
Lateral epicondyle
Small condyle proximal to the capitulum
Ulnar notch
Small distal depression that accommodates the head of the ulna, forming the distal radioulnar joint
Radial fossa
Small lateral depression; receives the head of the radius when the forearm is flexed
Coronoid fossa
Small medial anterior depression; receives the coronoid process of the ulna when the forearm is flexed
Lesser tubercle
Small medial prominence; site of attachment of rotator cuff muscles
Suprascapular notch
Small notch located medial to the coracoid process that allows for the passage of BV and a nerve
Radial groove
Small posterior groove, marks the course of the radial nerve
Posterior inferior iliac spine
Small projection located inferior to the posterior inferior iliac spine; allows the sciatic nerve to enter the thigh
Anterior inferior iliac spine
Small projection located just below the anterior superior iliac spine
Radial notch
Small proximal lateral notch that articulates with the head of the radius; forms part of the proximal radioulnar joint
Anterior superior iliac spine
The blunt anterior end of the iliac crest
Radius
The lateral bone in the forearm
Posterior superior iliac spine
The sharp posterior end of the iliac crest
Lateral (axillary) border
Thick border that is closest to the armpit and ends superiorly with the glenoid cavity
Iliac crest
Thick superior margin of the bone
Medial (vertebral) border
Thin, long border that runs roughly parallel to the vertebral column
Ilium
Top part of the pelvic girdle
Carpals in distal row
Trapezium, trapazoid, capitate, hamate
Distal condyle of the humerus that articulates with the ulna
Trochlea
Medial bone of the forearm in anatomical position
Ulna
Forearm bones
Ulna and radius
Scapular feature to which the clavicle connects
acromion