Elbow Joint (hinge)

MovementPrime moverAntagonistFixator
FlexionBicepsTricepsTrapezius
ExtensionTricepsBicepsTrapezius

Radio-ulnar joint (pivot)

MovementPrime moverAntagonistFixator
Pronation (palm down)Pronator TeresBiceps 
Supination (palm up)BicepsPronator Teres 

Shoulder joint (ball & socket)

MovementPrime moverAntagonistFixator
FlexionAnterior DeltoidPosterior DeltoidErector Spinae
ExtensionPosterior DeltoidAnterior DeltoidErector Spinae
AbductionDeltoidsLatissimus DorsiErector Spinae
AdductionLatissimus DorsiDeltoidsErector Spinae
External RotationInfraspinatusPectoralis MajorDeltoids
Internal RotationPectoralis MajorInfraspinatusDeltoids
Circumduction   
Horizontal flexionPectoralis MajorLatissimus Dorsi/ TrapeziusBiceps
Horizontal extensionLatissimus Dorsi/ TrapeziusPectoralis MajorBiceps
ElevationLevator ScapulaeRhomboidsErector Spinae
DepressionTrapeziusLevator SpinaeErector Spinae

Spine (pivot)

MovementPrime moverAntagonistFixator
Lateral FlexionRectus abdominus & erector spinae muscles on one sideRectus abdominus & erector spinae muscles on other sideQuadriceps & hamstrings
FlexionRectus abdominusErector SpinaeQuadriceps & hamstrings
ExtensionErector SpinaeRectus abdominusQuadriceps & hamstrings
RotationObliquesObliques (opposite)Quadriceps & hamstrings

Hip joint (ball & socket)

MovementPrime moverAntagonistFixator
FlexionIlio-psoasGluteus maximusErector Spinae
ExtensionGluteus maximusIlio-psoasErector Spinae
AdductionAdductor longus, magnus & brevisGluteus maximusErector Spinae
AbductionGluteus maximusAdductor longus, magnus & brevisErector Spinae
Internal Rotation   
External Rotation   

Knee joint (hinge)

MovementPrime moverAntagonistFixator
FlexionHamstringsQuadricepsTibialis Anterior/ Ilio psoas
ExtensionQuadricepsHamstringsTibialis Anterior/ Ilio psoas

Ankle Joint (condyloid)

MovementPrime moverAntagonistFixator
DorsiflexionTibialis AnteriorGastrocnemiusQuads/Hams
Plantar flexionGastrocnemiusTibialis AnteriorQuads/Hams

Agonist, antagonist and fixators involved in joint actions

 

Elbow Joint (hinge)

MovementPrime moverAntagonistFixator
FlexionBicepTricepTrapezius
Extension  Trapezius

Radio-ulnar joint (pivot)

MovementPrime moverAntagonistFixator
Pronation (palm down)Pronator teresBiceps 
Supination (palm up)   

Shoulder joint (ball & socket)

MovementPrime moverAntagonistFixator
FlexionAnterior deltoidPosterior deltoidErector Spinae
Extension  Erector Spinae
Abduction  Erector Spinae
Adduction  Erector Spinae
Lateral Rotation  Deltoids
Medial Rotation  Deltoids
Horizontal flexion  Biceps
Horizontal extension  Biceps

Spine (pivot)

MovementPrime moverAntagonistFixator
Lateral FlexionRectus abdominus & erector spinae muscles on one sideRectus abdominus & erector spinae muscles on other sideQuadriceps & hamstrings
Flexion  Quadriceps & hamstrings
Extension  Quadriceps & hamstrings
Rotation  Quadriceps & hamstrings

Hip joint (ball & socket)

MovementPrime moverAntagonistFixator
FlexionIlio-psoasGluteus maximusErector Spinae
Extension  Erector Spinae
Adduction  Erector Spinae
Abduction  Erector Spinae
Medial Rotation   
Lateral Rotation   

Knee joint (hinge)

MovementPrime moverAntagonistFixator
Flexion  Tibialis Anterior/ Ilio psoas
Extension  Tibialis Anterior/ Ilio psoas

Ankle Joint (condyloid)

MovementPrime moverAntagonistFixator
Dorsiflexion  Quads/Hams
Plantar flexion  Quads/Hams

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