Posterior Thigh Muscles (The Hamstrings)

Question 1

The posterior thigh muscles (the hamstrings) are the prime mover for _____ _______.

Answer 1

KNEE FLEXION

Question 2

(O) Superior proximal attachment:
ISCHIAL TUBEROSITY

(I) Inferior distal attachment:
FIBULAR HEAD

Actions:
HIP EXTENSION
KNEE FLEXION
KNEE LATERAL ROTATION

Answer 2

BICEPS FEMORIS

LONG HEAD

Question 3

(O) Superior proximal attachment:
LINEA ASPERA (MID-SHAFT)

(I) Inferior distal attachment:
FIBULAR HEAD

Actions:
KNEE FLEXION
KNEE LATERAL ROTATION

Answer 3

BICEPS FEMORIS

SHORT HEAD

Question 4

(O) Superior proximal attachment:
ISCHIAL TUBEROSITY

(I) Inferior distal attachment:
PROXIMAL ANTEROMEDIALTIBIA
(one of the pes anserinus tendons)

Actions:
HIP EXTENSION
KNEE FLEXION
KNEE MEDIAL ROTATION

Answer 4

SEMITENDINOSUS

Question 5

(O) Superior proximal attachment:
ISCHIAL TUBEROSITY

(I) Inferior distal attachment:
POSTERIOR ASPECT OF THE MEDIAL CONDYLE OF THE TIBIA

Actions:
HIP EXTENSION
KNEE FLEXION
KNEE MEDIAL ROTATION

Answer 5

SEMIMEMBRANOSUS

Question 6

Lateral to medial, what are the 3 pes anserinus tendons called?

*Remember order by G-S-T

Answer 6

GRACILIS
\+
SARTORIUS
\+
SEMITENDINOSUS

Question 7

What inferior distal attachment do biceps femoris short-head and long-head share?

Answer 7

FIBULAR HEAD

Question 8

What is the superior proximal attachment for biceps femoris long head?

Answer 8

ISCHIAL TUBEROSITY

Question 9

What is the superior proximal attachment for biceps femoris short head?

Answer 9

LINEA ASPERA (MID-SHAFT)

Question 10

Biceps femoris short-head and long-head perform the actions of knee flexion and knee lateral rotation - what action is the long-head also capable of?

Answer 10

HIP EXTENSION

Question 11

Semitendinosus and semimembranosus are responsible for the actions of?

Answer 11

HIP EXTENSION
\+
KNEE FLEXION
\+
KNEE MEDIAL ROTATION

Question 12

The medial hamstrings are responsible for knee medial rotation, while the more lateral biceps femoris long head and short head are responsible for?

Answer 12

KNEE LATERAL ROTATION

Question 13

What is the superior proximal attachment for semitendinosus and semimembranosus

Answer 13

ISCHIAL TUBEROSITY

Question 14

Where does semitendinosus attach inferiorly and distally?

Answer 14

PROXIMAL ANTEROMEDIALTIBIA
(one of the pes anserinus tendons)

Question 15

Where does semimembranosus attach inferiorly and distally?

Answer 15

POSTERIOR ASPECT OF THE MEDIAL CONDYLE OF THE TIBIA

Question 16

Which hamstrings are responsible for knee medial rotation?

Answer 16

SEMITENDINOSUS
+
SEMIMEMBRANOSUS

Question 17

Which hamstrings are responsible for hip extension?

Answer 17

BICEPS FEMORIS LONG HEAD
\+
SEMITENDINOSUS
\+
SEMIMEMBRANOSUS

Question 18

Biceps femoris short head is responsible for the actions of?

Answer 18

KNEE FLEXION
+
KNEE LATERAL ROTATION

Question 19

As a group, the hamstrings are the ___________ portion of the thigh muscles.

Answer 19

POSTERIOR

Question 20

Semitendinosus is ____% tendon.

Answer 20

30 %

Question 21

Gracilis, sartorius, and semitendinosus are referred to as the?

Answer 21

PES ANSERINE TENDONS