#1 Calf raises work which of the following muscles:
A.Obliques
B.Gastrocnemius
C.Trapezius
D.all of the above

#2 Lunges target which of the following muscles:
A.Quadriceps
B.hamstrings
C.Gluteus Maximus
D.all of the above

#3 Interval Training means:
A. Incorporating a variety of exercises into your workout routine
B. Alternating short bursts of intense activity with active recovery
C. Strength training alternated with cardio exercises
D. Exercising for 10 minute periods multiple times a day

#4 Knee flexion during strength training should be at an angle greater than 90 degrees.
True or False