Daily backpacker budget: $20 ~ $35. Bolivia is the ultimate cheapie of South America. Things may be very basic here as itâs a dirt poor country but your dollars sure go a long way. It is the cheapest country for accommodation and the cheapest for food and drink as well.
The plank strengthens the abdominals, back, and shoulders. Muscles involved in the front plank include: 1  Primary muscles: erector spinae, rectus abdominis (abs), and transverse abdominus.he plank strengthens the abdominals, back, and shoulders. Muscles involved in the front plank include: 1  Primary muscles: erector spinae, rectus abdominis (abs), and transverse abdominus.
BENEFITS. Plank helps you to build strength in your core, upper and lower body so its a good full body work out. You do not need any equipment to perform this exercise all you need is a bit of space, and it really helps improve flexibility by stretching muscles and will improve posture if performed regularly.OW TO DO A PLANK. 1  Start by getting into a press up position. 2  Bend your elbows and rest your weight ono your forearms and not on your hands. 3  Your body should form a straight line from shoulders to ankles. 4  Engage your core by sucking your belly button into your spine.