During the concentric phase of a standard pull-up, which muscle acts as the primary agonist (prime mover) for elbow flexion, and what is its primary insertion site?

Given below are two statements: Assertion (A): Axes and planes are imaginary concepts used to describe the type of movement and location of the human body. Reason (R): A plane passing through the body at right angles to the median plane divides the body into anterior and posterior portions. In light of the above statements, choose the correct answer:

The frontal plane of the human body is also known by which of the following terms? A. Transverse plane B. Coronal plane C. Mediolateral plane D. Horizontal plane Choose the correct answer: