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For this jump, the cheerleader jumps up and puts one of their legs out straight and perpendicular to the ground. This leg is either put out in front with arms in candlesticks (a Front Hurdler) or out to the side with arms in a T (a Side Hurdler). In both versions of the Hurdler jump, the cheerleader's other leg is bent.
Name Explanation Muscle US English [a] name of the muscle per Terminologia Anatomica (TA), [13] minus the term "muscle", with the words reordered occasionally for better sorting. Parts and bellies are listed out as separate rows, as they are sometimes considered separate muscles.
This involves the correct use of the lead leg, trail leg, and arm positions. The lead leg is the leg that goes over the hurdle first and should remain fairly straight. Upon crossing over the hurdle barrier, the runner's lead leg snaps down quickly landing roughly 1 metre (3 feet) beyond the hurdle. The trail leg follows the lead leg.
Regarding posture, a pronated foot is one in which the heel bone angles inward and the arch tends to collapse. Pronation is the motion of the inner and outer ball of the foot with the heel bone. [13] One is said to be "knock-kneed" if one has overly pronated feet. It flattens the arch as the foot strikes the ground in order to absorb shock when ...
Liberty: The Liberty, or Lib, is the most basic one-leg stunt. Both bases [16] have a grip on one of the flyer's feet, with the main base typically holding the heel and toe and the secondary base holding the middle of the foot. This stunt can be held at prep or extended level.
Plantar flexion: One of the most popular lower leg muscle stretches is the step standing heel raises, which mainly involves the gastrocnemius, soleus, and the Achilles tendon. [41] Standing heel raises allow the individual to activate their calf muscles by standing on a step with toes and forefoot , leaving the heel hanging off the step, and ...
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Injury may occur from running, jumping, or pushing off one leg in sports such as tennis, basketball and soccer, which require quick foot movement in a certain direction. Isolated plantaris muscle strains are rare, and ruptures normally occur in conjunction with injury to other muscles in the posterior compartment of the lower leg. [ 7 ]