Random #2 Flashcards
The most basic unit of a muscle fiber
Sarcomere
This system starts all exercise regardless of intensity
Phosphagen (ATP-PC) System
This system uses strictly CHO
Anaerobic Glycolytic System
This plane divides the body into a top and bottom portion
Horizontal
Contraction where the muscle lengthens
Eccentric
These muscles hold certain body parts still to perform movements correctly
Stabilizer
This phase of contraction helps strengthen tendons by controlling gravity
Eccentric
Ankle dorsiflexion is performed in this plane
Sagittal
Shoulder internal rotation is performed in this plane
Horizontal
The prime mover for hip abduction
Gluteus medius
Number of muscles responsible for hip adduction
5
Also known as a prime mover
Agonist
The prime mover(s) for lateral flexion of the spine
Quadratus lumborum
Number of rotator cuff muscles
4
What are the primary muscles responsible for hip adduction?
Adductor magnus, adductor longus, adductor brevis, gracilis, and pectineus
What are the muscles associated with the rotator cuff?
Supraspinatus, infraspinatus, teres minor, and subscapularis
When the resistance is moving away from the floor, what type of contraction is taking place?
Concentric
When the resistance is moving towards the floor, what type of contraction is taking place?
Eccentric
What joint is an exception to the general rule of direction for flexion and extension?
Knee joint
What is circumduction?
Movement in a 360 degree circle
What is rotation?
Movement around an axis
The opposing muscle or muscle group for an abdominal crunch
Erector spinae
Prime mover(s) for standing calf raise exercise
Gastrocnemius and soleus
Prime mover(s) for shoulder external rotation
Infraspinatus and teres minor
Term also used for scapular adduction
Scapular retraction
