Concept explainers
To analyze:
Mr. Ahmadi was forced to jump to escape the speeding car after that a snapping sound was heard, which was followed by an immediate pain in the lower right calf region. Between his heel and the swollen calf, a gap was observed as well as he was unable to plantar flex the injured foot.
The main reason behind the injury of Mr. Ahmadi.
Introduction:
The deep seated and the superficial muscle groups form the posterior leg compartment. A common tendon, that is, Achilles tendon, is shared by the superficial muscles. The Achilles tendons or calcaneal tendon is the strongest tendon of the body. This tendon helps the muscles of the ankle to bind to its calcaneal bone.
The plantar flex of the foot is caused by the deep and the superficial muscle groups. The superficial muscles comprise the soleus, gastrocnemius, and the calf muscles. In the given situation the person has injured his Achilles tendon and the calf muscle, which is swollen after the incident. The inability to perform the plantar flexor of the foot suggests that the gastrocnemius muscle of the calf and the Achilles tendon are injured.
Want to see the full answer?
Check out a sample textbook solutionChapter 6 Solutions
Essentials of Human Anatomy & Physiology (12th Edition)
- Select the best answer or answers from the choices given: The prime mover of hip extension against resistance is the (a) gluteus maximus, (b) gluteus medius, (c) biceps femoris, (d) semimembranosus.arrow_forwardJake has been recently administered medication through an injection in his right buttock. Now he is not being to dorsiflex his right foot. His doctor suspects that he has footdrop. What could have happened?arrow_forwardWhy is the rector femoris the only muscle of the quadriceps femoris group to have an action on the hip joint?arrow_forward
- Select the best answer or answers from the choices given: 1. A muscle that assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts is a(n) (a) antagonist, (b) prime mover, (c) synergist, (d) agonist.arrow_forwardWhat is the insertion for the Triceps muscle of the arm?arrow_forwardJustiniano worked in a poultry-packing plant, where his job was cutting open chickens and stripping out their visceral organs. After work, he typed for long hours on his computer keyboard, because he was writing a novel based on his work in the plant. Soon, his wrist and hand began to hurt whenever he flexed them, and he began to awaken at night with pain and tingling on the thumb half of his hand. What condition did he probably have?arrow_forward
- describe scapulohumeral movement, or synergy, that takes place with the shoulder joint and girdle. What muscles are acting to create these motions? What could happen if this synergy did not occur?arrow_forwardWhat is the origin on the Bicep Femoris Muscle on the lower leg ?arrow_forwardStanding on tiptoe is an example of a movement called, (a) elevation. (b) dorsiflexion. (c) plantar flexion. (d) retraction.arrow_forward
- Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning