The appendicular Skeleton

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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


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