DYNAMICS OF THE EXTRINSIC OCULAR MUSCLES.

The nerve center of the rat extrinsic ocular muscles as studied using horseradish peroxidase.

1) The author established the representation of the lower motor center of all the extrinsic ocular muscles by means of HRP labeling in the rat. 2) The muscles which are supplied by the neurons on both sides of the oculomotor nuclei are the levator palpebrae superioris, superior rectus, medial rectus, inferior oblique, inferior rectus, superior oblique and lateral rectus. 3) The muscles which ar...

Working Model of the Extrinsic Eye Muscles.

IT is not easy for beginners to understand the actions of the extrinsic ocular muscles by simple reference to the geometry of their arrangement and attachments. A working model has been designed which has been found useful for demonstrating these actions, both singly and in groups. The requirements of a satisfactory model are that it should be large enough for movements to be easily seen and th...

Activation of individual extrinsic thumb muscles and compartments of extrinsic finger muscles.

Mechanical and neurological couplings exist between musculotendon units of the human hand and digits. Studies have begun to understand how these muscles interact when accomplishing everyday tasks, but there are still unanswered questions regarding the control limitations of individual muscles. Using intramuscular electromyographic (EMG) electrodes, this study examined subjects' ability to indiv...

Tests and Studies of the Ocular Muscles

and interesting book; and they will not be disappointed. The problems dealt with are admittedly difficult and complex, but the author's clearness and precision render them comparatively simple ; his happy and well-chosen expressions, his ingeniousmethods and luminous suggestions, convert a somewhat dry and tedious subject into a most interesting study. We know of no book where so good a descrip...

Muscle spindles in human extrinsic eye muscles.