1. Hanging from bar or swinging rings. (Figure 3.)
To overcome tendency toward spinal curvature, and to strengthen back and trunk muscles.
2. Lying on table, hard bed, or floor (covered by clean sheet or blanket); lift knees to chest, alternate legs four counts, then together four counts. (Figure 1.)
3. Same exercise in standing position.
4. Lying on hard, clean surface, lifting feet at right angles to trunk; alternate legs four counts; together four counts. (Figure 2.)
Exercises 2, 3, and 4 are valuable in overcoming constipation, promoting digestion, strengthening trunk muscles, increasing circulation to trunk and pelvis.
5. Lying on hard surface, arms folded, feet held down, rise to sitting position. Four counts. (Figure 4.)
6. Same position, but hands clasped back of head. Four counts.
7. Same position, but arms extended above head. Four counts. (Figure 5.)
Exercises 5, 6, and 7 strengthen trunk, chest, and back muscles and have also the values of 2, 3, and 4.