× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
2
g
1
New Topic  
mahafakhoury mahafakhoury
wrote...
Posts: 527
Rep: 0 0
6 years ago
Which one of the following produces weak actin-myosin bonding?
 
  A. Active muscle contraction
   B. Muscle immobility
   C. Physiologic contracture
   D. Active contraction in lengthened muscles
   E. Reflexive muscle contraction
Read 97 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
ANS: B
Rationale: When skeletal muscle is at rest, a small number of myosin crossbridges bind to actin but the crossbridge heads do not swivel. The longer muscle is immobile, the greater the number of actin-myosin weak bonds and the greater the muscle resistance to stretch. The hamstring stiffness upon standing after prolonged sitting is due to weak actin-myosin bonds.
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  990 People Browsing
Related Images
  
 197
  
 6959
  
 193
Your Opinion
Which is the best fuel for late night cramming?
Votes: 146