3 - Kines - Unit 3 - Pelvis & Thigh Flashcards
Pelvis and thighs - 8 Bones
1 - Coxal / innovate bone (hip bone) - x2 2 - Sacrum - x1 3 - Coccyx (tail bone) - x1 4 - Femur (thigh bone) - x2 5 - Patella (kneecap) - x2
Pelvis and thighs - Bones - Pelvis
3 bones
- 2 coxal bones (hip) - sometimes referred as «pelvic bones»
- Sacrum
Pelvis and thighs - Bones - Coxal bone (hip) development
Starts out as 3 separate bones :
- Ilium - Big flat piece
- Ischium - Butt bone
- Pubis - Up front
The 3 bones eventually fuse together to form coxal bone
Pelvis and thighs - Landmarks
1 - Coxal (starts as Ilium, ischium & pubis) 2 - Sacrum 3 - Coccyx 4 - Femur 5 - Patella
Landmarks - Definition - Crest
A ridge of bone
Landmarks - Definition - Fossa
A shallow depression or dent in a bone
Landmarks - Definition - Tuberosity
A large, rounded m, usually roughened protuberance
Landmarks - Definition - Ramus
Latin for «arm»
Landmarks - Definition - Tubercle
A small, rounded process
Landmarks - Definition - Foramen
A hole in a bone
Landmarks - Definition - Acetabulum
Socket of the hip joint where the three «hip» bones fuse
Landmarks - Definition - Trochanter
Large bony prominence found only on the femurs
Landmarks - Definition - Condyle
Rounded, knuckle-like projection at the end of a bone usually at a joint
Landmarks - Definition - Facet
Small, flat, articulate surface
Landmarks - Definition - Pes anserinum
Goose’s foot
A tendinous attachment site for 3 muscles located on the anterior medial aspect of the proximal tibia:
- Semitendinosus
- Gracilis
- Sartorius)
Landmarks - Coxal
Each vocal bone starts out as 3 bones:
- Ilium
- Ischium
- Pubis
Landmarks - Coxal - Ilium
- Iliac crest
- Iliac fossa
- Gluteal surface
- Anterior superior iliac spine [ASIS]
- Anterior inferior iliac spine [AIIS]
- Posterior superior iliac spine [PSIS]
Landmarks - Coxal - Ischium
- Ischium tuberosity
- Ramus of the Ischium
Landmarks - Coxal - Pubis
- Pubic crest
- Public tubercles
- Public symphysis - («symphysis» = coming together)
- Superior Ramus of the pubis
- Inferior Ramus of the pubis
Landmarks - Patella
The largest sesamoid bone in the body
- Medial facet
- Lateral facet
- Apex
Landmarks - Proximal leg bones - 2 bones in each leg
- Tibia - Medial leg bone - larger weight bearing bone of the leg
- Fibula - Lateral leg bone - smaller and non-weight bearing bone of the leg
Landmarks - Proximal leg bones - Tibia
Medial leg bone - larger weight bearing bone of the leg
- Tibial tuberosity
- Pes anserinus (goose’s foot) - tendinous attachment site for the 3 muscles located on the anterior medial aspect of the proximal tibia: Semitendinosus / Gracilis / Sartorius)
- Medial condyle (plateau)
- Lateral condyle (plateau)
Osgood-Schlatters disease
An avolsion fracture of the tibial tuberosity caused by hypertonic quadriceps femoris muscle
Landmarks - Femur
- Femoral head
- Femoral neck
- Greater trochanter - larger & lateral
- Lesser trochanter - smaller & medial
- Gluteal tuberosity
- Shaft
- Linea aspera (=“rough line”)
- Medial lip of the linea aspera
- Lateral lip of the linea aspera
- Medial condyle
- Lateral condyle
- Adductor tubercle
Landmarks - Proximal leg bones - Fibula
Lateral leg bone - smaller and non-weight bearing bone if the leg
- Fibular head
Landmarks - Coxal - 2 structures not attributes to specific bone
- Obturator foramen
- Acetabulum - socket of the hip joint where the 3 «hip» bones fuse)
Landmarks - Sacrum
Starts out as 5 separate vertebrae that fuse
- Sacral foramen
Landmarks - Coccyx
Starts out as 4 separate coccygeal vertebrae that fuse
Joints - 4 pelvis and thigh joints
- Sacroiliac joints
- Pubic symphysis
- Coxafemoral (“hip”) joint
- Tibiofemoral (knee) joint
Joints - Sacroiliac joints
Amphiarthritic joints (=slightly movable) Formed by ilia and sacrum
Joints - Pubic symphysis
Amphiarthritic joint = slightly movable
Formed by the two Pubic bones
Joints - Coxafemoral
“Hip” joint
Ball and socket joint
Formed by proximal femur & acetabulum of the vocal bone
Joints - Tibiofemoral
Knee joint
Hinge joint
Formed by distal femur & proximal tibia.
Technically the knee joint also includes the patella, which articulated with the femur
Movements - Definition - Flexion
Decrease of the angle in a joint by bringing bones together
Movements - Definition - Extension
Increase of the angle in a joint by moving bones apart
Movements - Definition - Adbuction
Lateral movement away from the midline of the trunk of the body
Movements - Definition - Adduction
Medial movement towards the midline of the trunk of the body
Movements - Definition - External rotation
Rotary movement around the axis of the limb away from the midline
Movements - Definition - Internal rotation
Rotary movement around the axis of a limb towards the midline
Muscles - Origin/insertion/actions - Quadriceps femoris - Rectus femoris
[Origin]
Anterior inferior iliac spine (AIIS)
[Insertion]
Tibial tuberosity
[Action]
- Knee extension
- Hip flexion
Muscles - Origin/insertion/actions - Quadriceps femoris - Vastus medialis
[Origin]
Lateral lip of the linea aspera
[Insertion]
Tibial tuberosity
[Action]
Knee extension
Muscles - Origin/insertion/actions - Quadriceps femoris - Vastus lateralis
[Origin]
Lateral lip of the linea aspera
[Insertion]
Tibial tuberosity
[Action]
Knee extension
Muscles - Origin/insertion/actions - Quadriceps femoris - Vastus intermedius
[Origin]
Anterior surface of the femur
[Insertion]
Tibial tuberosity
[Action]
Knee extension
Movements - Hip joint / Coxafemoral joint / Femoral / Thigh movements
Sagital
- Flexion of the hip
- Extension of the hip
Coronal
- Abduction of the hip
- Adduction of the hip
Transverse
- External (lateral) hip rotation
- Internal (medial) hip rotation
Muscles - Origin/insertion/actions - Hamstrings - Biceps femoris
[Origin]
- Long head: ischial tuberosity
- Short head: lateral lip of the linea aspera
[Insertion]
Fibula head
[Action]
- Knee flexion
- Hip extension
Muscles - Origin/insertion/actions - Hamstrings - Semitendinosus
[Origin]
Ischial tuberosity
[Insertion]
Medial surface of proximal tibia at Pes anserinus
[Action]
- Knee flexion
- Hip extension
Muscles - Origin/insertion/actions - Hamstrings - Semimembranosus
[Origin]
Ischial tuberosity
[Insertion]
Posterior aspect of medial condyle of tibia
[Action]
- Knee flexion
- Hip extension
Movements - Knee / tibiofemoral joint / leg movements
Sagital
- Knee flexion
- Knee extension
Muscles - Origin/insertion/actions - Gluteal muscles - Gluteus Maximus
[Origin]
- Coccyx
- Edge of sacrum
- Posterior iliac crest
- Sacrotiberous & sacroiliac ligaments
[Insertion]
- Gluteal tuberosity
- Iliotibial tract
[Action]
- Powerful hip extension
- Hip abduction
- External hip rotation
Muscles - Origin/insertion/actions - Gluteal muscles - Gluteus medius
AKA Deltoid of the hip
[Origin]
Gluteal surface of the ilium
[Insertion]
Greater trochanter
[Action]
- Hip abduction
- Internal hip rotation
- External hip rotation
Single limb weight
Muscles - Origin/insertion/actions - Gluteal muscles - Gluteus minimus
Under the medius
[Origin]
Gluteal surface of the ilium (most inferior)
[Insertion]
Anterior border of greater trochanter
[Action]
- Abduction
- Internal rotation
- Hip flexion
Muscles - 8 groups
- Quadriceps femoris
- Hamstrings
- Gluteal Muscles
- Adductors (inner thigh muscles)
- Tensor fascia lata
- Sartorius - longest muscle of the body
- Lateral rotators of the hip
- Iliopsoas (iliac us and papas major)
Muscles - Origin/insertion/actions - Adductors - Adductor magnus
[Origin]
- Ischial tuberosity
- Rami of the pubis and Ischium
[Insertion]
- Medial lip of the linea aspera
- Adductor tubercle
[Action]
- Hip adduction
- Internal hip rotation
- Hip flexion
Muscles - Origin/insertion/actions - Adductors - Adductor longus
[Origin]
Pubic tubercle
[Insertion]
Mariam lip of the linea aspera
[Action]
- Hip adduction
- Internal hip rotation
- Hip flexion
Muscles - Origin/insertion/actions - Adductors - Adductor brevis
[Origin]
Ramus of pubis
[Insertion]
Medial lip of linea aspera
[Action]
- Hip adduction
- Internal hip rotation (to confirm)
- Hip flexion
Muscles - Origin/insertion/actions - Adductors - Pectineus
Most superior and smallest of the adductors
[Origin]
Inferior Ramus of pubis
[Insertion]
Pectineal line of femur
[Action]
??
Muscles - Origin/insertion/actions - Adductors - Gracilis
[Origin]
Rami of the Ischium and pubis
[Insertion]
Medial surface of proximal tibia at Pes anserinus
[Action]
- Hip adduction
- Internal hip rotation
- Hip flexion
- Knee flexion
Muscles - Origin/insertion/actions - Tensor fascia lata
[Origin]
- Iliac crest
- Posterior to the ASIS (anterior superior iliac spine)
[Insertion]
Iliotibial tract
[Action]
- Hip flexion
- Internal hip rotation
- Hip abduction
Muscles - Origin/insertion/actions - Sartorius
[Origin]
Anterior superior iliac spine (ASIS)
[Insertion]
Medial surface of proximal tibia at Pes anserinus
[Action]
- Hip flexion
- Lateral hip rotation
- Hip abduction
- Knee flexion
Muscles - Quadriceps femoris
- Rectus femoris
- Vastus medialis
- Vastus latéralis
- Vastus intermedius
Muscles - Origin/insertion/actions - Lateral rotators of the hip - Periformis
[Origin]
Anterior surface of the sacrum
[Insertion]
Greater trochanter
[Action]
Lateral hip rotation
Muscles - Origin/insertion/actions - Iliopsoas
Iliacus & psoas major
[Origin]
- Iliacus portion: iliac fossa
- Psoas major portion: bodies & transverse processes lumbar vertebra
[Insertion]
Lesser trochanter
[Action]
- Powerful hip flexion
- External hip rotation
- Hip adduction
Muscles - Origin/insertion/actions - Iliopsoas
Iliacus & psoas major
[Origin]
- Iliacus portion: iliac fossa
- Psoas major portion: bodies & transverse processes lumbar vertebra
[Insertion]
Lesser trochanter
[Action]
- Powerful hip flexion
- External hip rotation
- Hip adduction
Muscles - Hamstrings
- Biceps femoris
- Semitendinosus
- Semimembranosus
Muscles - Gluteal muscles
- Gluteus Maximus
- Gluteus medius
- Gluteus minimus
Muscles - Adductors
Inner Thigh Muscles
- Adductor magnus
- Adductor longus
- Adductor brevis
- Pectineus
- Gracilis