LAWRENCE, M S <br/><br/>
Comparative increase in muscle strength in the quadriceps femoris by isometric and isotonic exercise and effects on the contralateral muscle.  [electronic resource] 

 -  Journal of the American Physical Therapy Association  Jan 1962 
 - 15-20 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Standard No.: </label>10.1093/ptj/42.1.15  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exercise Therapy<br/>Femur<br/>Humans<br/>Muscle Strength<br/>Muscles--physiology<br/>Quadriceps Muscle