Pectoral girdle |
Pelvic girdle |
1. It is present in shoulder. |
1. It is present in hip. |
2. Helps in the articulation of the lower limbs. |
2. Helps in the articulation of the lower limbs. |
3. It is formed of clavicle and a scapula. |
3. It is formed of two coxal bones. Each coxal bone is a fusion of three bones ie ileum, ischium and pubis. |
4. It has glenoid cavity. |
4. It has acetabulum cavity. |
5. Pubic symphysis is absent. |
5. Pubic symphysis is present between two pelvic girdles. |
Describe the important steps in muscle contraction.