ACSM MCQ ACSM Certified Personal Trainer A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1 kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?

A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1 kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?

ACSM Certified Personal Trainer

A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1 kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?

a. isotonic concentric

b. isotonic eccentric

c. isokinetic concentric

d. isokinetic eccentric

Answer: b. isotonic eccentric

ACSM MCQ

A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1 kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?

A subject with elbows held at 90 degrees of flexion is handed a 150 lb (68.1 kg) barbell. Even though he exerts maximal tension, the barbell causes the joint angle to increase to 170 degrees. Which one of the following describes the muscle action during the extension?

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