Last update:

Biceps Femoris Muscle – Long Head

image descriptionBiceps Femoris Muscle: Long Head

Posterior view of thigh and gluteal region, long head of biceps femoris highlighted. Labelled muscles: gluteus medius, tensor fasciae latae, gluteus maximus, gracilis, iliotibial tract (band), semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Posterior view of thigh and gluteal region, long head of biceps femoris highlighted. Labelled muscles: adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Posterior view of thigh and gluteal region, long head of biceps femoris highlighted. Labelled muscles: biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Posterior view of thigh and gluteal region, long head of biceps femoris labelled.
1
2
3
4

image descriptionAttachments of Biceps Femoris Muscle Long Head: Origin & Insertion

Origin: (proximal attachments)
a.Ischial tuberosity of os coxa.

Insertion: (distal attachments)
a. Head of fibula and lateral condyle of tibia.

Posterior view of thigh and gluteal region, long head of biceps femoris highlighted. Labelled muscles: gluteus medius, tensor fasciae latae, gluteus maximus, gracilis, iliotibial tract (band), semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Posterior view of thigh and gluteal region, long head of biceps femoris highlighted. Labelled muscles: adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Posterior view of thigh and gluteal region, long head of biceps femoris labelled.
Posterior view of thigh and gluteal region, origin and insertion of long head of biceps femoris labelled.
1
2
3
4

Actions of Biceps Femoris Muscle Long Head on the leg (tibia & fibula):

a. image descriptionFlexes leg at knee.

First image in animation of flexion of the leg at the knee joint. Leg in anatomical position.
Second image in animation of flexion of the leg at the knee joint.
Third image in animation of flexion of the leg at the knee joint.
Fourth image in animation of flexion of the leg at the knee joint.
Fifth image in animation of flexion of the leg at the knee joint.

b. Laterally rotates leg at knee when knee is flexed.

c. It also extends thigh at hip.

Nerve to Muscle and its Spinal Segment:

a.Tibial part of sciatic nerve (S1 – S3).

An Overview of the Posterior Muscles of the Thigh:

Test yourself image 1, posterior view of thigh and gluteal region showing all superficial muscles with no labels.
Test yourself image 2, posterior view of thigh and gluteal region, all superficial muscles and structures labelled- gluteus medius, tensor fasciae latae, gluteus maximus, gracilis, iliotibial tract (band), semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 3, posterior view of thigh and gluteal region, muscles and structures labelled- gluteus medius, tensor fasciae latae, gluteus maximus, gracilis, iliotibial tract (band), semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 4, posterior view of thigh and gluteal region. Muscles and structures labelled- gluteus medius, tensor fasciae latae, quadratus femoris, adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 5, posterior view of thigh and gluteal region. Muscles and structures labelled- gluteus medius, piriformis, quadratus femoris, adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 6, posterior view of thigh and gluteal region. Muscles and structures labelled- gluteus minimus, piriformis, quadratus femoris, adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 7, posterior view of thigh and gluteal region. Muscles and structures labelled- piriformis, quadratus femoris, adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 8, posterior view of thigh and gluteal region. Muscles and structures labelled- piriformis, adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 9, posterior view of thigh and gluteal region. Muscles and structures labelled- adductor magnus, gracilis, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 10, posterior view of thigh and gluteal region. Muscles and structures labelled- adductor magnus, semimembranosus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 11, posterior view of thigh and gluteal region. Muscles and structures labelled- adductor magnus, semitendinosus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 12, posterior view of thigh and gluteal region. Muscles and structures labelled- adductor magnus, biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 13, posterior view of thigh and gluteal region. Muscles and structures labelled- biceps femoris: short head, biceps femoris: long head, gastrocnemius.
Test yourself image 14, posterior view of thigh and gluteal region. Muscles and structures labelled- biceps femoris: short head, biceps femoris: long head.
Test yourself image 15, posterior view of thigh and gluteal region. Muscles and structures labelled- biceps femoris: long head.
Test yourself image 16, posterior view of thigh and gluteal region. Origin and insertion of biceps femoris: long head.
Test yourself image 17, posterior view of skeleton of thigh and gluteal region.
Test yourself while observing the Biceps Femoris Muscle Long Head
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17