Muscle of the hand Thenar(lateral group)4-movement of the thumb Intermediate group 11-movement of 2-5 finger Hypothenar(medial group)3-movement of 5th finger Thenar eminence Hypothenar eminenceMuscle of the hand Thenar (lateral group) 4 －movement of the thumb Intermediate group 11 －movement of 2-5 finger Hypothenar (medial group) 3 － movement of 5th finger