Slipping rib syndrome also named as costal margin syndrome, clicking rib and rib-tip syndrome
, was first identified in 1922 by Davies-Colley as a cause of severe abdominal pain due to overriding of the ninth and tenth rib .
Specific local pain syndromes such as post-sternotomy pain, post-inguinal herniorrhaphy pain, rib-tip syndrome
and de Quervain's tenosynovitis are not addressed, but there are chapters on the more common carpal tunnel syndrome and meralgia paresthetica, as well as traumatic plexus lesions.
Akhtar, 24, is officially the world's fastest bowler but the injury, diagnosed as "rib-tip syndrome
" could make him doubtful for the series against England later this year.
When that failed to happen in time for him to make his Championship debut against Worcestershire, he was sent for further tests which revealed he was suffering from an unusual rib-tip syndrome
, which causes the bone to impact on his pelvis when bowling.