elbow joint

Question 1

Bones of elbow joint

Answer 1

humerus with ulna and radius

Question 2

Elbow complex

Answer 2

humeroulnar joint, humeroradial joint, superior radioulnar joint, Inferior radioulnar joint.

Question 3

Radius and Ulna Articulations

Answer 3

Ulna does not rotate, radius moves around ulna and make an X

Question 4

Forearm motions

Answer 4

supination, pronation

Question 5

Carrying Angle of men /Women

Answer 5

End of humerus and forearm makes an angle at the side. Men 5, women 10-15 degree

Question 6

Why is Scapula reference in the elbow?

Answer 6

Muscles that crosses the elbow has scapula attachments (Biceps, triceps)

Question 7

Medial (Ulnar Collateral ligament

Answer 7

medial stability, medial epicon

Question 8

Lateral (Radial Collateral Ligament

Answer 8

lateral stability, lateral epicon

Question 9

Annular Ligament

Answer 9

encompasses radial head, hold it against ulna

Question 10

Muscles of the Elbow

Answer 10

Brachialis, brachioradialis, biceps, supinator, triceps, anconeus, pronator teres, pronator quadratus

Question 11

Rules for Muscles and Locations

Answer 11

musculocutaneous nerves (flexes arm) innovate all of the muscles on front part of arm, except brachioradialis. Back of arm is Radial nerves