Kinosiology - Angular Kinetics: 1.) What muscles contract concentrically during
ID: 3481973 • Letter: K
Question
Kinosiology - Angular Kinetics:
1.) What muscles contract concentrically during a quadriceps extension?
2.) What is the antagonist muscle during a seated quadriceps extension?
3.) During a lateral deltoid raise, do the weights “feel heavier” (require more force to lift/hold) when they are down at your side (in anatomical position), raised to a 45 degree shoulder abduction angle, or raised to a 90 degree shoulder abduction angle? Why did you come to that conclusion?
4.) Describe the proper body positioning for a tricep kickback using anatomical terminology and planes of motion.
5.) What type of lever system is used for the back extension?
6.) What muscles are the agonists in a back extension?
Explanation / Answer
1.Qudricep muscles in thigh contract concentrically during extension.
2.Hamstrings is the antagonist muscles during seated quadriceps extension.
3. It is concluded so based on ROM( range of motion) requirements. In this the standing calf raises execution than the seated calf.
4.Anatomically as a standard position we need a base position as a frame of reference for describing movement.The cardial plane describes the primary directional movement of the body.
Total body power with barbell throw is used for tricep kickback by following sagittal plane.
5.A first class lever which is called seesaw is used for back extension.
6. During back extension, extensor muscles of back like miltifidus and erector spinae contract which are agonists.
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