Muscle movement and contractions Flashcards Preview

NCFE Health and Fitness - Unit 1 > Muscle movement and contractions > Flashcards

Flashcards in Muscle movement and contractions Deck (9)
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1
Q

What is an agonist?

A

The muscle that contracts; the muslce that causes the movement (also known as the prime mover)

2
Q

What is an antagonist?

A

The muscle that relaxes to allow the agonist to contract

3
Q

What is an isotonic contraction?

A

A contraction where the muscle changes in length

4
Q

What is an isotonic eccentric contraction?

A

A contraction where the the muscle lengthens - used to control downward movements

5
Q

What is an isoonic concentric contraction?

A

A contraction where the muscle shortens

6
Q

What is an isometric contraction?

A

A contraction where the muscle remains the same length

7
Q

Give an example of an isometric contraction

A

Holding a scrum in rugby
Holding the plank
Holding a handstand
Holding a crucifix in gymnastics

8
Q

Give an example of an isometric eccentric contraction

A

Triceps in the downward phase of a press-up
Quadriceps in the downward phase of the squat
Gluteus maximus in the downward phase of the squat
Biceps in the lowering phase of the bicep curl

9
Q

Give an example of an isometric concentric contraction

A

Triceps contracting to cause extension at the elbow when punching in boxing/ throwing a cricket ball
Quadriceps contracting to cause extension of the knee when kicking a ball in football/ pushing off the blocks in the 100m