Question

Which muscles contract and relax, while lifting a heavy object from the ground? short answer pls ☹️​

Answer 1

Answer:

There are two groups of muscle sets which are involved in lifting, the biceps and triceps muscles when triceps muscle contract then biceps muscles relaxes that cause the straightens the arms when biceps muscle contract and triceps muscles relax then hand lift

this ok

Answer 2

Answer:

Answer: There are two groups of muscle sets which are involved in lifting, the biceps and triceps muscles when triceps muscle contract then biceps muscles relaxes that cause the straightens the arms when biceps muscle contract and triceps muscles relax then hand lift.