Gun Show
It's not you, it's me.
I can't go any lower
The Chosen One
Cbum
100

Only in Heart

Involuntary

Cardiac Muscle

100
  • Slow contraction Speed
  • Low Force
  • High fatigue resistance
  • Red Colour

Type 1 

100
  • Muscle contracts and changes length

IsoTONIC Contractions

100
  • One muscle contracts to move the body part
  • Other muscle contractions to return body part to original position

Antagonistic Muscle pairs

100

Abduction of the shoulder

Outward arm action in a jumping jack

Deltoid

200

Internal Organs and Blood Vessels 

Involuntary

Smooth Muscle

200
  • Very fast speed
  • High Force
  • Low fatigue resistance
  • White

Type IIx(b)

200
  • Muscles lengthening when under tension
  • Origin and insertion move further away from each other
  • Downward phase
  • Resists the force of gravity

Isotonic ECCENTRIC contraction

200

Bonus Round: Antagonistic Pairs

Bicep                   Tricep

Hamstrings          Quadriceps

Gluteus Maximus  Hip Flexors 

Gastrocnemius     Tibialis Anterior

Pectoralis Major    Latissimus Dorsi

200
Extend the elbow

Triceps

300

Not under conscious control

Involuntary Muscle

300
  • Fast contraction Speed
  • Medium Force
  • Medium fatigue resistance
  • Pink Colour

Type IIa

300
  • Muscle producing tension but staying the same length
  • Body fixed in one position

IsoMETRIC Contraction

300
  • Assist the antagonistic pairs
  • Support and stabilize the join and the rest of the body
  • Trapezius muscle can act as a _____ when bicep is flexing elbow joint

Fixator

300

Flex the knee 

Hamstrings

400

Under Conscious Control 

Voluntary

400
  • Muscle shortening
  • Origin and insertion of the muscle move closer together
  • Muscle becomes fatter

Isotonic CONCENTRIC contraction

400
  • Hamstrings contract to flex the knee
  • Quadriceps lengthens to allow movement
  • Hamstrings = agonist
  • Quadriceps = antagonist

*Footballer

Preparation Phase 

400

Trunk Rotation

External obliques

500

Attached to Skeleton

Skeletal Muscle

500
  • Quadriceps contract to extend the knee
  • Hamstrings lengthen to allow movement
  • Quadriceps = agonist
  • Hamstrings = antagonist

*Footballer

Contact and Recovery Phase

500

Dorsiflexion of the ankle 

Tibialis anterior 

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