Muscles

    Muscles
    Which of the following muscles is named using the criterion of its size?
    “Medius” implies intermediate, in this case between the gluteus maximus and the gluteus minimus.
    Muscles
    Which list below has the superficial muscles of the superior medial thigh in the correct order from medial to lateral?
    Gracilis is most medial while pectineus is most lateral.
    Muscles
    The energy for muscle contraction is derived from the mechanisms below EXCEPT for one. Which one is NOT a method of producing ATP?
    ATP is not produced from lactic acid – lactic acid is produced from pyruvic acid after glucose is anaerobically lysed into ATP and pyruvic acid.
    Muscles
    When a muscle contracts, exactly what structure gets shorter?
    The length of the sarcomeres decreases.
    Muscles
    What is the role of calcium ions in muscle contraction? To:
    Calcium binds to troponin. All other choices are wrong statements.
    Muscles
    What does aerobic respiration refer to?
    Respiration occurs in the mitochondria of a cell. The term aerobic refers to the presence of oxygen.
    Muscles
    What are the muscles known as gluteus maximus, gluteus medius and gluteus minimus named according to? Their:
    Maximus > medius > minimus
    Muscles
    What are the muscles known as triceps brachii, biceps femoris and quadriceps femoris named according to? Their:
    Bi-, tri- and quad- refer to the number of origins, while the second word refers to location (arm or femur).
    Muscles
    Which of the listed muscles is named according to its action?
    The pronator teres pronates the forearm (turns the radius so that it crosses over the ulna).
    Muscles
    Which muscle is located on the front of the anatomical leg?
    The “leg” is between the knee and ankle – it contains the tibia and fibula. Anterior refers to the “front”, hence tibialis anterior. The other muscles are not on the leg. Rectus femoris is on the front of the “thigh”.