Exercise 12 Flashcards by Travis F

Bulb beside the trochlea, lower than the medial epicondyle

Capitulum of the Humerus

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The center joint beside the capitulum and the medial epicondyle

Trochlea of the Humerus

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Small shallow crater superior to the trochlea

Coronoid Fossa of the Humerus

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Small shallow crater superior to the capitulum

Olecranon Fossa of the Humerus

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Medial side of the capitulum, small bump

Medial Epicondyle of the Humerus

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Lateral to the capitulum, small bump on the outside of the humerus

Lateral Epicondyle of the Humerus

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Superior end of the radius, closer to the humerus

Radial head

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Bridge between the head of the radius and the rest of the radius

Neck of the radius

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Bump below the neck and head of the radius

Radial tuberosity

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Superior to the trochlear notch of the Ulna

Olecranon process of the Ulna

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Large notch noticeably the most impressive thing about the ulna

Trochlear notch of the Ulna

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Process inferior the trochlear notch on the Ulna

Coronoid Process of the Ulna

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Ligament connecting the radius to the humerus, one piece, connects into the annular ligament

Radial collateral ligament

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Connects the ulna to the humerus, two pieces

Ulnar collateral ligament

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Comes over the top of the radius and the ulna, surrounds both

Annular ligament

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Origin of the Biceps Brachii

Coracoid, and other process of Scapula

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Insertion of the Biceps Brachii

Tuberosity of radius, fascia of forearm

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Action of the Biceps Brachii

Supination and flexion of the forearm

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Origin of the Brachialis

Shaft of humerus

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Insertion of the Brachialis

Ulna Tuberosity

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Action of the Brachialis

Elbow Flexion

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Origin of Brachioradialis

Lateral Supracondyle

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Insertion of Brachioradialis

Styloid process of Radius

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Action of the Brachioradialis

Flexion of the forearm, pronation and supination

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Origin of the Triceps Brachii

Glenoid cavity, proximal end of humerus, surface of humeral shaft

Insertion of Triceps Brachii

Olecranon, fascia of forearm

Action of Triceps Brachii

Extends elbow, adducts humerus

Plates hugging the inside of the trochlear notch (on the ulna)

Radial notch (of the ulna)

Membrane between the ulna and the radius

Interosseous membrane

The inferior notch where the radius and ulna meet (on the radius)

Ulnar notch (of the radius)

Origin of the Pronator Teres

Medial epicondyle

Insertion of the Pronator Teres

Lateral surface of radial shaft

Action of the Pronator Teres

Assist pronator quadratura in pronation

Origin of the Supinator

Lateral Epicondyle of the humerus

Insertion of the Supinator

Proximal 1/3 of radius

Action of the Supinator

Supinates the forearm

Medial notch next to the capitulum

Medial Epicondyle (Humerus)

Outside (lateral) notch where muscles attach (Humerus)

Lateral Epicondyle (Humerus)

Bottom of the ulna (towards the hand) small notch

Styloid Process (of the ulna)

Large ‘fin’ towards the hand of the radius

Styloid process (of the radius)

Large bone in the wrist, closer to the thumb, but proximal to the ulna

Scaphoid

Proximal to the radius and scaphoid, but towards the pinky in terms of the scaph.

Lunate

Fingers, but proximal to the hand below the knuckles

Metacarplas

Final extensions of the hand, above the knuckles

Phalanges

Origin of the Flexor Carpi Radialis

Medial epicondyle

Insertion of the Flexor Carpi Radialis

Base of metacarpals

Action of the Flexor Carpi Radialis

Flexes wrist anteriorly, aids in radial flexion

Origin of the Flexor Carpi Ulnaris

Medial epicondyle of humerus, olecranon of Ulna

Insertion of the Flexor Carpi Ulnaris

Metacarpals, Pisiform, hamate

Action of the Flexor Carpi Ulnaris

Flexes wrist anteriorly, aids in ulnar flexion

Origin of the Flexor Digitorum Superficilais

Medial Epicondyle of humerus, UCL, coronoid Process,

Insertion of the Flexor Digitorum Superficilais

Phalanges

Action of the Flexor Digitorum Superficilais

Flexes wrist

Origin of the Extensor Carpi Radialis Longus

Lateral supracondylar ridge of humerus

Insertion of the Extensor Carpi Radialis Longus

Base of metacarpal

Action of the Extensor Carpi Radialis Longus

Extends wrist, aids in radial flexion of wrist

Origin of the Extensor Carpi Radialis Brevis

Lateral epicondyle of humerus

Insertion of the Extensor Carpi Radialis Brevis

Base of metacarpal

Action of the Extensor Carpi Radialis Brevis

Extends wrist, aids in radial flexion

Origin of the Extensor Carpi Ulnaris

Lateral epicondyle of humerus, posterior of ulnar shaft

Insertion of the Extensor Carpi Ulnaris

Base of metacarpal

Action of the Extensor Carpi Ulnaris

Extends and fixes wrist when fist is clenched

Origin of the Extensor Digitorum

Lateral epicondyle of humerus

Insertion of the Extensor Digitorum

Phalanges

Action of the Extensor Digitorum

Extends wrist, tends to spread digits apart