Learning The Humerus

What structure is the arrow pointing to?

Head of Humerus

What structure is the arrow pointing to?

Greater Tubercle

What structure is the arrow pointing to?

Lesser Tubercle

What structure is the arrow pointing to?

Bicipital Groove or Intertubercular Sulcus

What structure is the arrow pointing to?

Surgical Neck

What is the structure outline in green?

Crest of Greater Tubercle

What structure is the arrow pointing to?

Deltoid Tuberosity

What structure is the arrow pointing to?

Medial Supracondylar Ridge

What structure is the arrow pointing to?

Lateral Supracondylar Ridge

What structure is the arrow pointing to?

Medial Epicondyle

What structure is the arrow pointing to?

Lateral Epicondyle

What structure is the arrow pointing to?

Capitilum

What structure is the arrow pointing to?

Trochlea

What structure is the arrow pointing to?

Radial Fossa

What structure is the arrow pointing to?

Coronoid Fossa

What structure is the arrow pointing to?

Olecranon Fossa

Which 3 muscles share an insertion point on the Greater Tubercle? (Be Specific)

Supraspinatus (Anterior), Infraspinatus (Middle), Teres Minor (Posterior)

What Muscle has a lone insertion point at the Lesser Tubercle?

Subscapularis

What muscle has a lone insertion point at the Deltoid Tuberosity?

Deltoid

What 2 muscles insert at the Bicipital Groove? (Be Specific)

Teres Major (Medial Lip) & Pectoralis Major (Lateral Lip)

What Muscle Inserts at the Middle Humerus?

Coracobrachialis

What muscle originates at the Anterior Distal Humerus?

Brachialis

Which heads of the tricep originate at the lateral and medial head of the Humerus?

Lateral and medial heads

Where does the common flexor tendon originate?

Humeral Medial Epicondyle

What are the 5 common wrist flexors?

Flexor Carpi Ulnaris, Flexor Carpi Radialis, Palmaris Longus, Flexor Digitorum Superficialis, Flexor Digitorum Profundus

Which muscle originates at the Lateral Epicondyle of the Humerus? (Not part of the common extensor tendon)

Anconeus

Which 2 muscles originate at the Lateral Supracondylar Ridge?

Brachioradialis, Extensor Carpi Radialis Longus

This muscle group is made of 4 muscles and is called what?

Common extensor tendon

Where do the muscles of the common extensor group originate from?

Lateral Humeral Epicondyle

What are the 4 muscles of the common extensor group?

Extensor Carpi Radialis Brevis, Extensor Digitorum, Extensor Digiti Minimi, Extensor Carpi Ulnaris

Where does the Supinator originate at?

Lateral Humeral Epicondyle, LCL and Annular ligament