<prompt> Muscle in 2nd compament of wrist?Extensor pollicis brevisExtensor carpi radialis brevis and longusAbductor pollicis longusExtensor pollicis longus  <response>: Extensor retinaculum has extensor tendons which are divided into 6 compaments which are as follows: 1st compament Abductor pollicis longus extensor pollicis brevis both are affected in DequervainsTenosynovitis 2nd compament Extensor carpi radialis longus, extensor carpi radialis brevis affected in tennis elbow 3rd compament Extensor pollicis longus affected in colles fracture 4th compament Extensor digitorum, extensor indicis 5th compament Extensor digit minimi 6th compament Extensor carpi Ulnaris 