What is the dominant force on the spine during activities requiring backward leaning of the trunk, such as rappelling?

What is the dominant force on the spine during activities requiring backward leaning of the trunk, such as rappelling?

Naim 11:02

What is the dominant force on the spine during activities requiring backward leaning of the trunk, such as rappelling?



A. compression
B. tension
C. shear
D. torsion


Answer: C. shear


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