All of the following cross BOTH the hip and knee joint EXCEPT:

Question

BlackTom AI · Accepted Answer

Question restatement: Identify which muscle does not cross both the hip and knee joints. The options are:
- Semitendinosus
- Sartorius
- Gracilis
- Biceps femoris - short head
- Semimembranosus

Option analysis:
- Semitendinosus: This muscle originates from the ischial tuberosity and inserts on the medial surface of the tibia. It crosses the hip joint (extending the thigh) and the knee joint (flexing the knee), so it fulfills the criterion of crossing both joints.

- Sartorius: Known as the longest muscle in the body, it crosses both the hip and knee joints. It originates from the ASIS (anterior superior iliac spine) and inserts on the pes anserinus, spanning the hip (flexion, abduction, external rotation) and the knee (flexion). Therefore, it crosses both joints.

- Gracilis: A superficial medial thigh muscle that originates from the inferior pubic ramus and inserts on the medial surface of the tibia. It traverses the hip joint (adduction) and the knee joint (flexion and some medial rotation when flexed), thus crossing both joints.

- Biceps femoris - short head: This component of the biceps femoris originates on the linea aspera and lateral supracondylar line of the femur and inserts on the head of the fibula. It crosses only the knee joint and does not cross the hip joint, so it does not meet the criterion of crossing both joints.

- Semimembranosus: Extends the thigh at the hip and flexes the knee, crossing both the hip and knee joints. Its origin is the ischial tuberosity and its distal insertion is on the posterior tibia, enabling actions at both joints.

Summary: Among these muscles, four cross both the hip and knee joints, while one (the short head of the biceps femoris) crosses only the knee and not the hip, making it the exception in the set.

ANATOMY 2300 SP2025 (2146) Unit 2 Quiz

All of the following cross BOTH the hip and knee joint EXCEPT:

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类似问题

The muscle labeled A is the [ Select ] Iliopsoas tibialis posterior Tensor Fascia Latae rectus femoris sartorius popliteus gastrocnemius gracilis , and B is the [ Select ] pectineus Iliopsoas adductor longus gracilis sartorius vastus medialis .

The muscle labeled A is the gracilis and the muscle labeled B is the [ Select ] sartorius vastus medialis gracilis semimembranosus semitendinosus vastus lateralis and the muscle labeled C is the [ Select ] gastrocnemius vastus medialis gracilis soleus popliteus anconeus

I am a superficial muscle of the lower limb, arising from the head of the fibula. I insert via a long tendon under the foot on the first metatarsal. I am located in the lateral compartment of the lower leg, and my role is to plantarflex and evert the foot. Who am I?

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ANATOMY 2300 SP2025 (2146) Unit 2 Quiz

All of the following cross BOTH the hip and knee joint EXCEPT:

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类似问题

The muscle labeled A is the [ Select ] Iliopsoas tibialis posterior Tensor Fascia Latae rectus femoris sartorius popliteus gastrocnemius gracilis , and B is the [ Select ] pectineus Iliopsoas adductor longus gracilis sartorius vastus medialis .

The muscle labeled A is the gracilis and the muscle labeled B is the [ Select ] sartorius vastus medialis gracilis semimembranosus semitendinosus vastus lateralis and the muscle labeled C is the __ [ Select ] gastrocnemius vastus medialis gracilis soleus popliteus anconeus __

I am a superficial muscle of the lower limb, arising from the head of the fibula. I insert via a long tendon under the foot on the first metatarsal. I am located in the lateral compartment of the lower leg, and my role is to plantarflex and evert the foot. Who am I?

In a consumer society, many adults channel creativity into buying things

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The muscle labeled A is the gracilis and the muscle labeled B is the [ Select ] sartorius vastus medialis gracilis semimembranosus semitendinosus vastus lateralis and the muscle labeled C is the [ Select ] gastrocnemius vastus medialis gracilis soleus popliteus anconeus