The thenar muscles are capable of various thumb movements; abduction, adduction, flexion, and opposition. Each enters forearm through two heads [ulnar: heads of flexor carpi ulnaris. ulnar: palmaris brevis]. Each supplies a palmaris [median: palmaris longus. However, the intrinsic muscles of the hand are … median: heads of pronator teres]. The rest of the muscles, intrinsic muscles of the hand are actually innervated by the ulnar nerve. #mnemonic #anatomy #learnanatomy #medicine. Thenar muscles: A Friend Of -Police. – The muscles of the hand are innervated by the radial, median, and ulnar nerves. Palmaris brevis which is a superficial muscle and adductor pollicis are also intrinsic muscles.. Bicipital Groove muscle attachment – lady between two majors. When referring to the hand, the radial nerve only provides cutaneous innervation along the outside of the thumb. Each has no branches in upper arm. Each makes two fingers claw when cut at wrist. Together the muscle group primarily acts to oppose the thumb. See more ideas about anatomy, mnemonics, muscle anatomy. Oct 23, 2018 - Mnemonics are one of the best ways to learn the masses of information relating to anatomy and medicine. The thenar eminence is the muscular bulge on the radial side of the palm due to the thenar muscles.They are innervated by median nerve, except for flexor pollicis brevis which is innervated by the ulnar nerve. median: thenar]. The thenar muscles are capable of various thumb movements; abduction, adduction, flexion, and opposition. 1- The mnemonic for the muscles is: SITS 2- We will start with ABDuction and finish with ADDuction 3- The vowels in English can be remembered by AEEIou ( shout to remember better :P ) 4- Now just match letters from the 2 mnemonics in the same order they are written in as you can see in the table: Teres Major attaches to medial lip of groove. I mentioned before the mnemonic MeatLOAF, which helps you remember that the median nerve innervates the lateral two lumbricals and the muscles of the thenar eminence. Each supplies an eminence group of muscles [ulnar: hypothenar. Abductor pollicis brevis (APB) Flexor pollicis brevis; Opponens Pollicis; Action of Interosseous Muscles of hands: PA d DA b . Start with the ones here on this board! The Palmars Adduct and the Dorsals Abduct.