Nasm Cpt 4: Hamstring Complex

Front 1

What is the origin and insertion of the Biceps Femoris - Long Head?

Back 1

Origin: Ischial tuberosity of the pelvis, part of the sacrotuberous ligament.

Insertion: Head of the fibula.

Front 2

What is the isolated function of the Biceps Femoris - Long Head?

Back 2

Concentrically accelerates knee flexion and hip extension.
Tibial external rotation.

Front 3

What is the integrated function of the Biceps Femoris - Long Head?

Back 3

*Eccentrically decelerates knee extension.
*Eccentrically decelerates hip flexion.
*Eccentrically decelerates tibial internal rotation at mid-stance of the gait cycle.
*Isometrically stabilizes the lumbo-pelvic-hip complex and knee.

Front 4

What is the origin and insertion of the Biceps Femoris - Short Head?

Back 4

Origin: Lower one-third of the posterior aspect of the femur.

Insertion: Head of the fibula.

Front 5

What is the isolated function of the Biceps Femoris - Short Head?

Back 5

Concentrically accelerates knee flexion and tibial external rotation.

Front 6

What is the integrated function of the Biceps Femoris - Short Head?

Back 6

*Eccentrically decelerates knee extension.
*Eccentrically decelerates tibial internal rotation.
*Isometrically stabilizes the knee.

Front 7

What is the origin and insertion of the Semimembranous muscle?

Back 7

Origin: Ischial tuberosity of the pelvis.

Insertion: Posterior aspect of the medial tibial condyle of the tibia.

Front 8

What is the isolated function of the Semimembranous muscle?

Back 8

Concentrically accelerates knee flexion, hip extension, and tibial internal rotation.

Front 9

What is the integrated function of the Semimembranous muscle?

Back 9

*Eccentrically decelerates knee extension.
*Eccentrically decelerates hip flexion.
*Eccentrically decelerates tibial external rotation.
*Isometrically stabilizes the lumbo-pelvic-hip complex and the knee.

Front 10

What is the origin and insertion of the Semitendinosus muscle?

Back 10

Origin: Ischial tuberosity of the pelvis and part of the sacrotuberous ligament.

Insertion: Proximal aspect of the medial tibial condyle of the tibia (pes anserine)

Front 11

What is the isolated function of the Semitendinosus muscle?

Back 11

Concentrically accelerates knee flexion, hip extension, and tibial internal rotation.

Front 12

What is the integrated function of the Semitendinosus muscle?

Back 12

*Eccentrically decelerates knee flexion.
*Eccentrically decelerates hip flexion.
*Eccentrically decelerates tibial external rotation.
*Isometrically stabilizes the lumbo-pelvic-hip complex and knee.