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nekit [7.7K]
2 years ago
8

Which of the following not only flexes the hip but also extends the knee joint?

Medicine
1 answer:
julsineya [31]2 years ago
4 0

Answer:

a. satorius

Explanation:

The sartorius muscle is a two-joint muscle that moves both the hip and knee joints. Although anatomically considered a thigh extensor, its contraction actually causes a flexion of the hip joint. This is due to its location in the anterior (extensor) compartment of the thigh. Additionally, it is involved in abduction and external rotation of the hip joint.

In the knee joint, it forces an internal flexion and rotation. Flexion movement is the result of tendon insertion into the knee joint behind the flexor-extensor axis. When all five movements are performed simultaneously the legs cross in meditation position. Thus, the muscle is most easily palpable in this position.

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Which three muscles flex the knee?
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If 100 mg drug is administered and has a half life of 6 hours, the percentage of the drug that will be in the system is 18 hours
atroni [7]

Answer:

Kindly check explanation as the question seems incomplete but the explanation should help.

Explanation:

Given the following :

Initial dosage of drug = 100mg

Halflife of drug = 6hours

After 18 hours, the percentage of drug that will be in the system should be :

Half-life is the time taken for a material to reduce to half of it's initial size.

Since half life = 6 hours

After 6 hours ; amount left = 100/2 = 50 mg

After 12 hours ; amount left = 50/2 = 25mg

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