Questions and verified Answers
strongest elbow flexor with the forearm in neutral (thumb or radial side of the arm up)? - ANSW-
brachioradialis
common insertion of the 3 heads of the tricep? - ANSW-olecranon process
2 muscles that extend the elbow? - ANSW-triceps and anconeus
3 muscles that flex the elbow? - ANSW-bicep brachii, brachioradialis, and brachialis
forearm pronation occurs from what proximal muscle? - ANSW-pronator teres muscle
forearm pronation occurs from what distal muscle? - ANSW-pronator quadratus muscle
forearm supination occurs from what muscle? - ANSW-supinator muscle
What kind of joint is the elbow? - ANSW-highly stable and uniaxial hinge joint
what plane of motion does the elbow move in? - ANSW-sagittal plane
the capitulum articulates with which bony landmark? - ANSW-radial head
which ligaments are on each side of the elbow? - ANSW-lateral collateral ligament (outside) and medial
collateral ligament (inside)
which nerve passes through the cubital tunnel? - ANSW-ulnar nerve
which tendon is in the intertubercular groove? - ANSW-bicep tendon
what joint is made up of the humeroulnar and humeroradial joints? - ANSW-elbow joint
what nerve innervates pronator teres muscle? - ANSW-median nerve
what 2 joints does forearm rotation occur at? - ANSW-distal radioulnar (inferior) and proximal raidioulnar
(superior)
what's the carrying angle? - ANSW-lateral from body with an average of 5-19 degrees
what motion lengthens the fibers of the bicep? - ANSW-extension
what 3 bones make up the elbow joint? - ANSW-humerus, radius, and ulna
the trochlea of the humerus articulates with what bone? - ANSW-ulna
what type of joint is the radioulnar joint? - ANSW-uniaxial pivot joint
what are the 4 ligaments of the elbow? - ANSW-medial collateral ligament, lateral collateral ligament,
oblique ligament, and annular ligament
what membrane keeps the ulna and radius from separating? - ANSW-interosseous membrane
what 3 peripheral nerves pass through the elbow? - ANSW-ulnar nerve, median nerve, and radial nerve
what nerve passes distally through Guyon's canal? - ANSW-ulnar nerve
what are the 8 muscles of the elbow and forearm? - ANSW-brachilais, brachoradialis, biceps, supinator,
triceps, ancones, pronator teres, and pronator quadratus
what articulates with the olecranon fossa of the ulna? - ANSW-olecranon process
what divides the trochlea of the humerus into medial and lateral portions? - ANSW-trochlear groove
what articulates with the coronoid fossa of the ulna? - ANSW-coronoid process
what articulates with the trochlea of the humerus? - ANSW-trochlear notch