awkwardly

clumsily, bunglingly, unskillfully, unadroitly, ineptly, maladroitly, undexterously, fumblingly, lumberingly, ponderously, gawkily, gauchely, uncouthly, gracelessly, inelegantly, incompetently, amateurishly, ungracefully, stiffly, woodenly, rigidly, with difficulty, with embarrassment, in an ungainly manner, with unaccustomed fingers.

Antonyms gracefully*, skillfully, adroitly.