The Hip Complex - Muscles & Tendons
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3. Muscles and tendons (6-minutes): Identification and palpation of key muscles and tendons, demonstration of their actions, and explanation of relevant origins and insertions. You may also be asked to demonstrate basic muscle testing where appropriate. Follow-up questions may explore contraction type and structure/function. "Tell me what you know about the muscles acting at the hip complex."
84 Terms
How many Hip Adductor muscles are there?
Five
How many Hip Abductor muscles are there?
Three
How many Hip Flexor muscles are there?
Three
How many Hip Extensor muscles are there?
Four
How many Hip Rotator muscles are there?
Eight
Name the five Hip Adductor muscles.
Adductor Magnus, Adductor Longus, Adductor Brevis, Sartorius, Gracilis
What is the origin of Adductor Magnus?
Ischial Tuberosity and Pubis
What is the insertion of Adductor Magnus?
Adductor Tubercle and medial Femur
What is the action of Adductor Tubercle?
Femoroacetabular Adduction (the Frontal plane)
What is the antagonist of Adductor Magnus?
The hip abductors
What is the nerve supply of Adductor Magnus?
The Obturator nerve
What is the origin of Adductor Longus?
Pubis
What is the insertion of Adductor Longus?
Linea Aspera
What is the action of Adductor Longus?
Femoroacetabular Adduction (the Frontal plane)
What is the antagonist of Adductor Longus?
The hip abductors
What is the nerve supply of Adductor Longus?
The Obturator nerve
What is the origin of Adductor Brevis?
Pubis
What is the insertion of Adductor Brevis?
Linea Aspera and Lesser Trochanter
What is the action of Adductor Brevis?
Femoroacetabular Adduction (the Frontal plane)
What is the antagonist of Adductor Brevis?
The hip abductors
What is the nerve supply of Adductor Brevis?
The Obturator nerve
What is the origin of Sartorius?
Anterior Superior Iliac Spine (ASIS)
What is the insertion of Sartorius?
Pes Anserine
What is the action of Sartorius?
Femoroacetabular Adduction (the Frontal plane)
What is the antagonist of Sartorius?
The hip abductors
What is the nerve supply of Sartorius?
The Femoral nerve
What is the origin of Gracilis?
Pubis
What is the insertion of Gracilis?
Pes Anserine
What is the action of Gracilis?
Femoroacetabular Adduction (the Frontal plane)
What is the antagonist of Gracilis?
The hip abductors
What is the nerve supply of Gracilis?
The Obturator nerve
Name the three Hip Abductor muscles.
Tensor Fascia Latae, Gluteus Medius, Gluteus Minimus
What is the origin of Tensor Fascia Latae?
The Anterior Superior Iliac Spine (ASIS)
What is the insertion of Tensor Fascia Latae?
The Lateral Tibial Condyle (via the IT Band)
What is the action of Tensor Fascia Latae?
Femoroacetabular Abduction (the Frontal plane)
Femoroacetabular Medial Rotation (the Transverse plane)
What is the antagonist of Tensor Fascia Latae?
The hip adductors and lateral rotators
What is the nerve supply of Tensor Fascia Latae?
The Superior Gluteal nerve
What is the origin of Gluteus Medius?
The Posterior Ilium
What is the insertion of Gluteus Medius?
The Greater Trochanter
What is the action of Gluteus Medius?
Femoroacetabular Abduction (the Frontal plane)
Femoroacetabular Medial Rotation (the Transverse plane)
What is the antagonist of Gluteus Medius?
The hip adductors and lateral rotators
What is the nerve supply of Gluteus Medius?
The Superior Gluteal nerve
What is the origin of Gluteus Minimus?
Posterior Ilium
What is the insertion of Gluteus Minimus?
The Greater Trochanter
What is the action of Gluteus Minimus?
Femoroacetabular Abduction (the Frontal plane)
Femoroacetabular Medial Rotation (the Transverse plane)
What is the antagonist of Gluteus Minimus?
The hip adductors and lateral rotators
What is the nerve supply of Gluteus Minimus?
The Superior Gluteal nerve
Name the three Hip Flexor muscles.
Iliacus, Psoas Major, Rectus Femoris
What is the origin of Iliacus?
Anterior Iliac Fossa
What is the insertion of Iliacus?
Lesser Trochanter
What is the action of Iliacus?
Femoroacetabular Flexion (the Sagittal plane)
What is the antagonist of Iliacus?
The hip extensors
What is the nerve supply of Iliacus?
The Femoral nerve
What is the origin of Psoas Major?
L2-L5 (Transverse Process)
What is the insertion of Psoas Major?
Lesser Trochanter
What is the action of Psoas Major?
Femoroacetabular Flexion (the Sagittal plane)
What is the antagonist of Psoas Major?
The hip extensors
What is the nerve supply of Psoas Major?
Directly from the Lumbar Plexus
What is the origin of Rectus Femoris?
Anterior Inferior Iliac Spine (AIIS)
What is the insertion of Rectus Femoris?
The Tibial Tuberosity
What is the action of Rectus Femoris?
Femoroacetabular Flexion (the Sagittal plane)
Tibiofemoral Extension (the Sagittal plane)
What is the antagonist of Rectus Femoris?
The hip extensors and knee flexors
What is the nerve supply of Rectus Femoris?
The Femoral nerve
Name the four Hip Extensor muscles.
Gluteus Maximus, Semitendinosus, Semimembranosus, Biceps Femoris Long Head
What is the origin of Gluteus Maximus?
Posterior Iliac Fossa, Sacrum, Posterior Superior Iliac Spine (PSIS)
What is the insertion of Gluteus Maximus?
Gluteal Tuberosity
What is the action of Gluteus Maximus?
Femoroacetabular Extension (the Sagittal plane)
Femoroacetabular Lateral Rotation (the Transverse plane)
What is the antagonist of Gluteus Maximus?
The hip flexors and medial rotators
What is the nerve supply of Gluteus Maximus?
The Inferior Gluteal Nerve
What is the origin of Semitendinosus?
Ischial Tuberosity
What is the insertion of Semitendinosus?
Pes Anserine
What is the action of Semitendinosus?
Femoroacetabular Extension (the Sagittal plane)
Tibiofemoral Flexion (the Sagittal plane)
What is the antagonist of Semitendinosus?
The hip flexors and knee extensors
What is the nerve supply of Semitendinosus?
The Sciatic nerve
What is the origin of Semimembranosus?
Ischial Tuberosity
What is the insertion of Semimembranosus?
Medial Condyle of the Tibia
What is the action of Semimembranosus?
Femoroacetabular Extension (the Sagittal plane)
Tibiofemoral Flexion (the Sagittal plane)
What is the antagonist of Semimembranosus?
The hip flexors and knee extensors
What is the nerve supply of Semimembranosus?
The Sciatic nerve
What is the origin of Biceps Femoris Long Head?
Ischial Tuberosity
What is the insertion of Biceps Femoris Long Head?
Head of Fibula
What is the action of Biceps Femoris Long Head?
Femoroacetabular Extension (the Sagittal plane)
Tibiofemoral Flexion (the Sagittal plane)
What is the antagonist of Biceps Femoris Long Head?
The hip flexors and knee extensors
What is the nerve supply of Biceps Femoris Long Head?
The Sciatic nerve