Exam 3 KRS-353

iliofemoral

the strongest ligament in the human body

femur hyperextension

What movement does the iliofemoral restrict?

acetabular-femoral

joints of the pelvis


1. (ball and socket)

ball and socket

what kind of joint would the acetabular-femoral be?

sacroiliac

joints of the pelvis


2. (gliding/plane)

gliding

what kind of joint is the sacroiliac?

pubic symphysis

joints of the pelvis


3. (amphiarthrodial)

amphiarthrodial

what kind of joint is the pubic symphysis?

medial

… condyle is larger

weight bearing

medial condyle deals with more …

inguinal

femoral triangle

made out of what ligament…


1. \

adductor longus

femoral triangle

made out of what ligament…


2. \

sartorius

femoral triangle

made out of what ligament…


3. \

inguinal ligament

what is this?

adductor longus ligament

what is this?

sartorius ligament

what is this?

femoral artery

the femoral triangle contains…


1. \

femoral vein

the femoral triangle contains…


2. \

femoral nerve

the femoral triangle contains…


3. \

lymphatic tissues

the femoral triangle contains…


4. \

screw home

what mechanism

Knee at full extension, tibia externally rotates

* 10 degrees for proper alignment of the tibial and femoral condyle 

extension

screw home mechanism

knee at full …

tibia

screw home mechanism

… externally rotates

externally rotates

screw home mechanism

tibia …

10 degrees

screw home mechanism

… for proper alignment of the tibial and femoral condyle 

reverse

what mechanism

* Unlocks by initial flexion from extension and tibia rotating internally 

flexion

reverse mechanism

Unlocks by initial … from extension and tibia rotating internally 

internally

reverse mechanism

Unlocks by initial flexion from extension and tibia rotating …. 

collateral

ligaments at knee joint

* Prevents frontal plane movements 

lateral collateral ligament

Extrinsic ligament

medial collateral ligament

Capsular ligament 

medial collateral ligament

Commonly injured with any blow from the lateral side.

lateral

medial collateral ligament

* Commonly injured with any blow from the … side.

lateral collateral ligament

what is this?

medial collateral ligament

what is this?

anterior

Anterior and posterior reinforcements 

* Prevents anterior slippage
* Patella ligament 

posterior

Anterior and posterior reinforcements 

* Oblique popliteal ligament

oblique popliteal ligament

what is this?

cruciates

Intrinsic ligaments 

* Occupy the intercondylar fossa

anterior cruciate ligament

what is this?

posterior cruciate ligament

what is this?

ACL

injuries to cruciates

* Most common
* non-contact rotary forces associated with planting & cutting, hyperextension

non-contact

ACL injuries

* …. rotary forces associated with planting & cutting, Hyperextension

planting

ACL injuries

non-contact rotary forces associated with … & cutting, Hyperextension

cutting

ACL injuries

non-contact rotary forces associated with planting & …, Hyperextension

hyperextension

ACL injuries

non-contact rotary forces associated with planting & cutting, …

ACL

Injuries to cruciates

violent quadriceps contraction

* Pull tibia forward on femur 

forward

ACL injuries

* violent quadriceps contraction
* Pull tibia … on femur 

PCL

injuries to cruciates

* direct contact with an opponent or playing surface

direct

PCL injuries

… contact with an opponent or playing surface

drawer test

test on cruicate injuries

* slide the tibia backward and forward

rectus femoris

knee extension

agonists:


1. \

vastus lateralis

knee extension

agonists:


2. \

vastus intermedius

knee extension

agonists:


3. \

vastus medialis

knee extension

agonists:


4. \

biceps femoris

knee flexion

agonists:


1. \

semitendinosus

knee flexion

agonists:


2. \

semimembranosus

knee flexion

agonists:


3. \

semitendinosus

knee internal rotation

agonists:


1. \

semimembranosus

knee internal rotation

agonists:


2. \

popliteus

knee internal rotation

agonists:


3. \

biceps femoris

knee external rotation

agonists:

frontal

inversion and eversion occurs in what plane?

20-30

degrees of inversion

5-15

degrees of eversion

lateral collateral ligament

inversion limited by

medial collateral ligament

eversion limited by

anterior talofibular

ankle sprains

3 damaged ligaments:


1. \

posterior talofibular

ankle sprains

3 damaged ligaments:


2. \

calcaneofibular

ankle sprains

3 damaged ligaments:


3. \

deltoid ligament

excessive eversion sprain damaged ligament:

tibialis anterior

anterior compartment of muscles


1. \

peroneus tertius

anterior compartment of muscles


2. \

tibialis anterior

what is this?

dorsiflexion

tibialis anterior

action:


1. (ankle)

inversion

tibialis anterior

action:


2. (foot)

peroneus tertius

what is this?

dorsiflexion

peroneus tertius

action:


1. \

eversion

peroneus tertius

action:


2. \

extensor digitorum longus

peroneus tertius works with what? (action)

tibialis posterior

posterior muscles


1. \

peroneus longus

posterior muscles

2a.

peroneus brevis

posterior muscles

2b.

tibialis posterior

what is this?

inversion

tibialis posterior

action:


1. \

plantar flexion

tibialis posterior

action:


2. \

supination

tibialis posterior

action:


3. \

peroneus longus

what is this?

eversion

peroneus longus and brevis

action:


1. \

plantar flexion

peroneus longus and brevis

action:


2. \

transverse arch

peroneus longus

action:

peroneus brevis

what is this?

gastrocnemius

posterior calf muscles


1. \

soleus

posterior calf muscles


2. \

plantaris

posterior calf muscles


3. \

plantar flexion

gastrocnemius, soleus, plantaris

action:

gastrocnemius

what is this?

soleus

what is this?

plantaris

what is this?

extensor digitorum longus

anterior deep muscles of calf


1. \