Antagonistic Muscle Pairs Flashcards
Agonist
responsible for movement - shortens (concentric)
Antagonist
muscle relaxes - lengthens (eccentric)
Isotonic
movement
Isometric
no movement
What are muscles attached to
bones and cross joint by tendons
Origin
fixed end of the muscles
Insertion
attachment end that moves
What happens when the muscle is stimulated
pulls on insertion and movement is produced
Ankle muscles
gastrocnemius + tibialis anterior
Knee muscles
quadricep + hamstring
Elbow muscles
bicep + tricep
Wrist muscles
wrist flexors + extenders
Hip muscles (sagittal)
gluteus maximus + hip flexor
Hip muscles (frontal)
medius/maximus + adductors
Shoulder muscles (sagittal)
anterior deltoid + posterior deltoid
Shoulder muscles (frontal)
latissimus dorsi + medial deltoid
Shoulder muscles ( transverse)
pectorals + latissimus dorsi