Anatomy Of The Hands, Forearms

Question 1

Palmar interossei: what are the proximal and distal attachments of interossei one, two and three

Answer 1

One: attaches to anterior metacarpal of index finger (finger two) on “middle finger side” and the base of the proximal phalange of finger two at the dorsal digital expansion.
Two:
Three:

Question 2

Dorsal interossei Manus: attachments of DIM one, two , three and four

Question 3

Palmaris Brevis: attachments and innervation

Answer 3

The flexir retinaculum and the palmar aponeurosis to the dermis of the ulnar border of the hand

Innervation ulnar nerve C8, T1

Question 4

Flexor Carpi Radialis: attachments and innervation

Answer 4

Medial epicondyle of the humerus via common flexor/belly/tendon
And
Anterior hand on Radial Side base of second and third metacarpal

Innervation Median C6, C7

Question 5

Palmaris Longus (50) : attachments and innervation

Answer 5

Medial epicondyle of the humerus via common flexor/belly/tendon and palm of the hand, the palmar aponeurosis and the flexor retinaculum.

Innervation: median nerve C7, C8

Question 6

Flexor carpi ulnaris attachments and innervation

Answer 6

Two heads- Medial epicondyle of the humerus via common flexor/belly/ tendon and the posterior 2/3 of the ulna
And
The pisiform, hook of the hamate and the base of the fifth metacarpal.

Innervation is C7, C8