SEARCH
 
Injury - Types, Prevention
 
 
 

QUICK LINKS

Customize, Search, Help
SPORTS MEDICINE PROFESSIONALS

 

 


ISOMETRIC EXERCISES

 


Isometric Exercise is one of many ways of loading the muscle. It loads muscle in one joint position so the motive torque equals to the resistance torque and no movement results.Individuals have demonstrated moderate strength gains using isometric exercises, and power lifters may use heavy resistance isometric training to enhance muscle size. Isometric exercise is also used in rehabilitation and with the unconditioned individual since it is easier to perform than the concentric exercise. The major problem associated with isometric exercise is that there is minimal transfer to the real world since most of our activities involve eccentric and concentric muscle actions. Further, the isometric exercise only enhances the strength of the muscle group at the joint angle in which the stress is stressed, thereby limiting the strength development throughout the whole range of motion. Click here to see Isometric Exercises (Flash 4).

Flexion

Standing in a doorway, facing out, place involved arm in front of you, forearm and hand on doorframe and push as if to raise arm overhead. Hold submaximal force for 8 seconds and repeat.

flexion.JPG (9778 bytes)
Abduction

Standing against a wall or in a doorway with involved arm at side, press back of forearm into surface. Keep arm at side with elbow straight. Hold a submaximal force for 8 seconds and repeat.

abduction.JPG (9120 bytes)
Extension

Standing in doorway, in front of door frame, place involved arm behind you slightly, pushing back into door frame. Hold submaximal force for 8 seconds and repeat.

extension.JPG (11367 bytes)
External Rotation

Standing against a wall or in a doorway with arm at side and elbow bent to 90 degrees, press back of forearm into surface. Hold submaximal force for 8 seconds and repeat.

er.JPG (10931 bytes)
Internal Rotation

Standing against a wall or in a doorway with arm at side and elbow bent at 90 degrees, pressf ron of forearm into surface. Hold submaximal force for 8 seconds and repeat.

ir-2.JPG (6951 bytes)
Elbow Flexion

Use uninvolved arm to hold involved elbow at angles of 45, 90 and 135 degrees. Flex elbow into uninvolved hand keeping elbow still. Hold submaximal force for 8 seconds and repeat

elbow flexion.JPG (7942 bytes)


TOP
RELATED LINKS

NEXT TOPIC
Muscle Action
Flash4 movie

ASMI | PERFORMANCE | INJURY | SPORT | CHAT | NEWS | ARCHIVES
The information on this site is informational only and is not intended to be medical advice.
Contact your physician for advice about specific medical conditions.
Feedback
contact a local Health Club contact a local Therapist Contact your local Physician ASMI Homepage SportsMedLive HomePage