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Straightening at knee or elbow, lowering arm and leg at shoulder and hip along sagittal plane
Moving arm at ball and socket joint of shoulder along transverse plane towards midline of body
Moving arm at ball and socket joint of shoulder along transverse plane away from midline of body
Biceps brachii agonist concentric
Upper arm muscle causing elbow flexion e.g. racquet stroke after contact
Triceps brachii agonist concentric
Causes elbow extension e.g. throwing, preparation for racquet stroke, upwards phase of press-up
Triceps brachii agonist eccentric
Controls elbow flexion due to gravity e.g. downwards phase of press-up
Posterior deltoid agonist concentric
Causes horizontal abduction at shoulder e.g. preparation for forehand racquet stroke
Anterior deltoid agonist concentric
upward phase of wide arm press up, forehand racquet stroke contact and follow through
Gastrocnemius agonist concentric
Calf muscle causing plantarflexion at ankle e.g. in drive phase of running and jumping
Tibialis Anterior agonist concentric
Muscle in front of shin causing dorsiflexion at ankle e.g. when landing in recovery phase of running and on landing a jump
Quadriceps agonist concentric
Cause knee extension e.g. when jumping, kicking and in drive phase of running
Quadriceps agonist eccentric
Controls knee flexion due to gravity e.g. downward phase of squat, preparation and on landing a jump
Hamstrings agonist concentric
Cause knee flexion e.g. recovery phase of running, preparation to kick
Gluteus Maximus agonist concentric
Causes hip extension e.g. drive phase of running, preparation for kicking
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