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.
What muscles do lunges work? Quick Answer. A forward lunge targets the abdominal muscles (transverse abdominus and obliques), the glutes (gluteus maximus, gluteus medius/minimus), the anterior thigh muscles (quadriceps) and the posterior thigh muscles (hamstrings). According to Healthy Living, it also works the calf muscles.