part of part of innervated by innervated_by has muscle origin has muscle origin has muscle insertion has muscle insertion Homo sapiens median nerve forelimb forelimb muscle entepicondyle of humerus skeletal muscle organ, vertebrate palmaris longus muscle AAO:0010737 palmaris longus SCTID:181636009 Wikipedia:Palmaris_longus_muscle EMAPA:36205 FMA:38462 UBERON:0016493 The palmaris longus is seen as a small tendon between the flexor carpi radialis and the flexor carpi ulnaris, although it is not always present. The muscle is absent in about 14 percent of the population, however this varies greatly with ethnicity. Absence of palmaris does not have any known effect on grip strength. Palmaris longus can be palpated by touching the pads of the fifth and first fingers and flexing the wrist. The tendon, if present, will be very visible. musculus palmaris longus palmaris aponeurosis palmaris