WebSection 3: Trunk Muscles Study the muscles listed in the textbook. Use your textbook as a helpful guide. 1. What muscles of the trunk extend the arm at the shoulder? 2. What muscles elevate your shoulders, such as when you lift up a heavy object? 3. What abdominal muscles work hard to enable you to flex your abdomen during sit-ups? 1. WebAug 27, 2024 · The superior trunk is a combination of the C5 and C6 roots, ... It stimulates the triceps muscle of the upper arm as well as muscles in the wrist and hand.
Assessment of trunk flexion in arm reaching tasks with ... - Nature
WebThis muscle (H) lies over the temporal bone and helps the masseter close the jaw. This muscle (I) covers the posterior aspect of the skull and pulls the scalp posteriorly. This chewing muscle (J) closes the jaw by elevating the mandible. This muscle (K) flexes your neck. Some people call this the "prayer" muscle. WebErector spinae group. Rotates and extends vertebral column and head. Spinalis, lonissimus, iliocostalis. The three muscles of the erector spinae group. Rectus abdominis. Flexes lumbar region and compresses abdomen (six-pack muscles) Internal oblique. Compresses abdomen; laterally rotates trunk (runs this way: / \ ) External oblique. iowa abd inventory
The effects of instability and additional hand support on …
WebThe deltoid muscles are the triangular muscles over each shoulder. Some of the trunk muscles have been given nicknames by gym rats. For instance, the pecs are the pectoralis major muscles at each breast. Lats are the latissimus dorsi muscle that covers most of the lower back with its lateral fibers. The upper back is covered by the large ... WebLab 6: Muscles of the Trunk and Arm Biology 259 Laboratory. Prelab: Use your textbook to label the figures at the end of this handout. Objectives: Using your textbook, this handout, and material on display, identify all bulleted terms listed below. For all muscle labs, you are required to know the name of each muscle and. its action; make sure that you can identify … WebStudy with Quizlet and memorize flashcards containing terms like Trunk Muscles, Pectoralis Major, Intercostal Muscles and more. Study with Quizlet and memorize flashcards ... Move the vertebral column (posterior), move ribs, head and arms (anterior), abdominal wall (natural girdle) Pectoralis Major. Anterior muscle of trunk Fan-shaped, acts to ... onyx 10