1. During the “up phase” of the squat, what is happening during the last 20 degr

Question

1. During the “up phase” of the squat, what is happening during the last 20 degrees of knee extension?

Anwsers: The femur is externally rotating on a stable tibia. The femur is internally rotating on a stable tibia. The femur is externally rotating while the tibia externally rotates. The femur is internally rotating while the tibia internally rotates

2. The quadriceps are a bi-articulate muscle group, and therefore, the strength of the hamstrings may be affected by the hip flexion angle

       T or F

3. All of these are determinants of gait except

Anwsers: Dorsiflexion of ankle at foot strike. Pelvic tilt in the frontal plane. The ability to maintain balance. Knee flexion at foot strike

4. The purpose of the “determinants of gait” are

Anwsers: To increase the motion of the center of gravity. To allow the body to work harder. To increase force production. To increase efficiency of gait motion

Explanation / Answer

Ans- 1-  femur is internally rotating on a stable tibia

Ans-2- true (most hamstring exercises are affected in performance when at an inadequately low hip- flexion angle as it surpasses 70 degrees)

Ans-3- the ability to maintain balance

Ans-4-  To increase efficiency of gait motion

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