McDaniel (CORR 172 - 1983, pp 158-163) evaluated 49 patients, on the average 14 years, after the rupture of the ACL and thus collected data and percentages for various aspects of the rupture of the ACL.
In order to establish normal data for calf size and strength and Achilles tendon thickness, 19 young, healthy and physically active males, aged between 18 and 25 years, and with a mean body mass of 75,2 + 6,1 kg and a mean height of 1,81 ï¿½ 0,04 m, were selected as subjects for this study.
Muscle can be categorised into three types: skeletal (sometimes known as striated muscle on account of its striated appearance under the light microscope), cardiac and smooth. In this series of articles, we will be addressing the fundamental question of how a muscle contracts with reference to skeletal muscle only.
With Wimbledon only recently over, it seems an appropriate time to discuss the physiotherapy approach to a lesion of the extensors carpi radialis longus and brevis. A tennis player will usually give a history of a typical overuse injury.