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What percentage of total body weight comes from bones and muscles?
Discuss why do bone and muscle mass differ between individuals, and how do they contribute to the overall body weight?
Look at the picture given below (Fig. 3.17). Carefully observe the various poses of classical and folk dances of India. Can you identify which joints are involved? Also, what type of movement each joint allows?
You can perform these two jumps (Fig. 3.21): Straight-leg jump — keep knees and ankles stiff. Normal jump — bend knees and ankles naturally. How did your ankle, knee and hip positions differ between the two jumps?
Which type of joint is involved when you bend your knees and ankles?
In each of the following cases (A, B, C and D), choose the correct option as given below:
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