Analysis of Movements

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Articulations
Another name for a joint
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Agonist (Prime Mover)
Muscle group whose action is mainly responsible for producing a given motion
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Antagonist
Acts to produce the opposite action of the prime mover
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Synergists
Muscles that stabilise a joint to prevent unwanted movement
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Isometric
Muscle contracts, but no movement occurs
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Concentric
Muscle shortens as it contracts
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Isotonic
Muscle changes length while contracting
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Eccentric
Muscle lengthens as it contracts
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Sagittal plane and Transverse axis
Direction for forward and backward movements
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Frontal plane and Frontal axis
Direction for side to side movements
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Transverse plane and Longitudinal axis
Directions for turning (rotational movements)
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Ball and Socket joint
Formed at the hip between pelvis and femur
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hinge Joint
Formed at the knee between femur and tibia
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Drive Phase
Period when foot is pushing against the ground to produce forward movement
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Flexion
Decreasing the angle between the bones of a joint
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Extension
Increasing the angle between the bones of a joint
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Hyper extension
Increasing the angle between the bones of a joint beyond 180°
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Gluteals
Group of muscle at back of hip the thigh that causes extension and hyperextension of the hip joint
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Hamstrings
Group of muscles at the back of the thigh that cause flexion at the knee
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Quadriceps
Group of muscles that cause extension at the knee
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Plantar flexion
Action of pointing the toes; increasing the angle between the tibia and foot
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Gastronemius
Muscle in the calf that causes plantar flexion
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Recovery phase
Period when the leg bends to return to the front of the body ready for the drive phase
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Hip flexors
Group of muscles at the front of the hip that causes hip flexion
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Dorsiflexion
Decreasing the angle between foot and tibia; action of pulling toes up to the shin, caused by the tibialis anterior
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Tibialis anterior
Muscle in front of lower leg that causes dorsi flexion
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Preparatory phase
Taking the leg back prior to kicking
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Kicking phase
The action of bring the leg forward to kick a ball
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Withdrawal phase
Period of time when arm is extended backwards
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Throwing phase
Period of time when actual throw occurs
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Scapula
Shoulder blade; flat triangular bone that lies at the back of the shoulder
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Humerus
Bone of the upper arm
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Radius
Bone of the forearm; runs from elbow to thumb side of wrist
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Ulna
Bone of the forearm; runs from the elbow to the little finger side of the wrist
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Triceps
Muscle on the back of the upper arm causing extension at the elbow
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Horizontal hyperextention
Action of taking the arm back behind the shoulder, but keeping the are parallel to the ground
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Posterior deltiod
Small part at the back of the muscle that 'caps' the shoulder
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Latissimus dorsi
Large muscle in the back that pulls the arm backwards
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Force arm
Distance of force from fulcrum
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Resistance arm
Distance of resistance from the fulcrum
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Other cards in this set

Card 2

Front

Muscle group whose action is mainly responsible for producing a given motion

Back

Agonist (Prime Mover)

Card 3

Front

Acts to produce the opposite action of the prime mover

Back

Preview of the back of card 3

Card 4

Front

Muscles that stabilise a joint to prevent unwanted movement

Back

Preview of the back of card 4

Card 5

Front

Muscle contracts, but no movement occurs

Back

Preview of the back of card 5
View more cards

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