Name Opponens digiti minimiPronunciation (o-PONE-ens DIG-i-ti MIN-i-me) Origin/Proximal Attachment Distal border of flexor retinaculum; hook of hamate Insertion/Distal Attachment Medial aspect of 5th metacarpal Action/Relevance Opposes 5th digit with thumb Assists to ‘cup’ the palm Innervation Ulnar nerve - deep branch (C8, T1) | 
