In a picture posted on Muamba\'s Twitter account, the Bolton midfielder is pictured sitting up and smiling in his hospital chair. Muamba remains in intensive care as he recovers from the cardiac arrest he suffered at White Hart Lane on .Mar 17. On Tuesday, Bolton returned to White Hart Lane for the first time since the midfielder\'s cardiac arrest shortly before half-time led to the match being abandoned. Several Bolton players have continued to visit Muamba as he recovers in intensive care at the London Chest Hospital. Meanwhile, Liam Stacey, a student who mocked Muamba on Twitter, has lost his appeal against a 56-day jail term.