chap 11

Actual muscle length can be increased with active static stretching.

True

During passive stretching the muscle being stretched does not contract but during active stretching the lengthened muscle contracts during the stretch.

True

Inhibition of the stretch reflex is part of the neurophysiological hypothesis for why PNF is an effective stretching technique.

True

Long-term PNF stretching enhances stretch tolerance allowing more force to be applied to the muscle before the individual feels pain.

True

Research suggests that total stretching time may be more important than the duration of each stretch for increasing flexibility.

True

Static stretching done on a vibration platform may increase range of motion beyond that achieved with normal static stretching.

True

The alternative approach to low back care places an emphasis on increasing lumbar stability and core muscular endurance rather than muscular strength.

True

The long-held belief that stretching before athletic activity prevents injury is not well supported by research and pre-event stretching may even impair maximal strength.

True

Unlike resistance training the same muscle group can undergo flexibility exercises on a daily basis.

True

Which stretching technique triggers the muscle spindles to respond with a contraction (i.e. stretch reflex) and an increased resistance to stretch in the targeted muscle group?

a. ballistic

Slowly bending forward at the waist until you feel muscle tension in the hamstrings and then holding that position for 30 seconds would be an example of what type of stretching?

b. active static

Which of the following exercises is not recommended in an exercise program focusing on low back care?I. curl-upII. lumbar extension with pelvic stabilizationIII. pelvic tiltIV. supine straight-leg raise

c. IV

If the client relaxes the targeted muscle group as the personal trainer moves the body part through a ROM you would be observing

c. passive static stretching

Which stretching technique often involves a partner and combines a muscle contraction followed by passive stretching of the targeted muscle group?

c. proprioceptive neuromuscular facilitation

Which of the following is not recommended as a progression strategy for improving flexibility?

d. Gradually push beyond the pain-free ROM

Viscoelastic creep an elongation of the muscle-tendon unit is most likely to occur

d. from static stretching with the stretch held at a constant torque

Despite the notion that weak abdominal muscles contribute to low back pain body mass index (BMI) is not related to low back pain.

False

To see further improvements in range of motion the overload principle must be applied to stretching programs by taking the stretch beyond the pain threshold.

False