A pulledhamstring, also called a hamstring strain, is a tear of the hamstring muscle fibers. The hamstring muscles are a group of large, powerful muscles that span the back of the thigh, from the lower pelvis to the back of the shin bone. The hamstring muscles extend the hip joint and ...
The quadriceps femoris muscles extend the knee, the iliopsoas and pectineus muscles flex and abduct the hip, and the sartorius flexes the hip and the knee. Femoral neuropathy often presents with knee extension weakness and a diminished patellar muscle stretch reflex. Entrapment of the infrapatellar...
百度试题 结果1 题目Which muscle can flex the hip joint and extend the knee joint (). A.sartorius B.adductor longus C.biceps femoris D.quadriceps femoris E.gracilis 相关知识点: 试题来源: 解析 D 反馈 收藏
It also extends the leg at the knee. It can extend the knee powerfully when the hip is extended. But if the hip is flexed, such as when you are sitting, the rectus femoris is weaker in extending the knee and the other quads have to do the work. The same is true if the knee is...
Thegluteus maximus muscleis a powerful extensor of the flexed femur and provides lateral stabilization of the hip. This expansive muscle originates in thefasciaof the gluteus medius, the external ilium, the fascia of the erector spinae, the dorsum of the lowersacrum, the lateralcoccyx, and the...
or shoulder blade. The latter two muscles originate at the back of the humerus. All three heads of the triceps brachii insert at the ulna, or outer forearm bone. The muscle group as a whole functions to extend the elbow, which is another movement in the pushup. So, the triceps brachii...
synergistically, although some functional muscle groups work antagonistically when carrying out certain movements. For example, the biceps and the brachialis muscles in the front of the forearm flex the forearm at the elbow joint, while the triceps brachii, located in back, serves to extend the ...
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to extend your hips as you push off the ground. At the front of your hips are a collection of muscles known as the hip flexors, the most notable being the iliopsoas, which are responsible for pulling up your leg after it swings forward so it’s in position to strike the ground again...
Muscle, contractile tissue found in animals, the function of which is to produce motion. Muscle cells fuel their action by converting chemical energy in the form of adenosine triphosphate (ATP), which is derived from the metabolism of food, into mechanic