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the quadriceps will contract and the hamstring will relax .the quariceps straightens the knee and the hamstring extends the hip and bends the knee to kcik the football the quadriceps will contract and the hamstring will relax .the quariceps straightens the knee and the hamstring extends the hip and bends the knee to kcik the football the quadriceps will contract and the hamstring will relax .the quariceps straightens the knee and the hamstring extends the hip and bends the knee to kcik the football
while kicking a football, the Quadriceps muscle contracts concentrically to straighten the knee and the Hamstrings contract eccentrically to decelerate the motion of the lower limb.In concentric muscle contraction muscle length decreases along with contraction of the fibres while in eccentric muscle contraction the muscle length increases.Dr Santosh
extends leg; straightens knee joint
Only during wokouts that target the quads specifically like weighted squats. During regular running or walking, the hamstrings contract eccentricly to control the extension of the knee. Otherwise, the knee would would kick out in a snap with a powerful quad contraction. Esteban SPTA, South Texas College
Because there is no muscle below the knee/hock to cushion the bones
Gastrocnemius muscle
An agonist muscle is a muscle that plays a part in the extension of a muscle. The agonist muscles for a knee extension are the quadriceps and hamstrings.
The flexor would be the hamstring, and gastrocnemius, which bend/flex the knee. The quadriceps, are extensors, which straighten/extend the knee.
This muscle is found in the lower part of the leg
The muscle that contracts when the leg is extended at the knee is call the gastrocnemius muscle
Vastus medialis (a tear-shaped muscle right above your knee)
Quadriceps muscle or thigh muscle.