Lower Limb Skeleton
True or False: The greater tubercle is a region on the posterior side of the femur
False (Greater Trochanter); Greater tubercle is on humerus
What muscle flexes the digits 2-5
flexor digitorium longus
True or False: The acromium process of the scapula articulates with the clavicle
True
True or false: The Serratus Group muscles originate from axial skeleton and Insert on medial border of scapula
True
If you were to injure your obturator nerve, which muscle group would be affected?
Adductor group
The lateral epicondyle and head of the fibula are connected because of what ligament?
lateral collateral ligament
Which muscles apart of the superficial posterior leg compartment cross the knee joint as well as the ankle joint? What are the actions of these muscles?
Gastrocnemius and Plantaris
Flex the leg and plantar flex the foot.
What feature of the ulna articulates with the trochlea of the humerus?
Trochlear notch
What are the 4 muscles that make up the rotator cuff?
- Subscapularis m
- Supraspinatus m
- Infraspinatus m
- Teres minor m
What nerve innervates the deltoid muscle and teres minor muscle?
What ligament prevents the tibia from moving too posteriorly?
PCL (posterior cruciate ligament)
What muscles cross the subtalar joint laterally and what is the action as a result of this?
fibularis tertius, fibularis brevis, and fibularis longus; they evert the foot.
What does the radial head articulate with? What joint does this form and what are the actions when a muscle cross the joint?
Radial notch; radioulnar joint; supination and pronation
What are all the actions of the bicep brachii muscle?
- Flexes humerus
- Flexes forearm
- Supinates forearm
The Lateral and Medial cord of the brachial plexus come together to form what nerve?
Median nerve
Flexion, Extension, Abduction, Adduction, Medial rotation, Lateral rotation
What specific muscles insert on the lesser trochanter and flex the thigh at the hip joint?
Iliopsoas Group: Psoas major and iliacus
What feature of what bone articulates with the olecronon fossa? What joint does this form and what are all the actions?
- Olecronon process of the ulna articulates with Olecranon fossa (of humerus)
- Forms Humeroulnar joint
- Actions: Flexion and Extension
What are the actions of the Abductor pollicis longus muscle?
Abduct hand and thumb
What feature does the femoral artery pass through to become the popliteal artery? What 2 arteries does the popliteal artery split into?
Adductor hiatus of the Adductor Magnus, anterior tibial and posterior tibal
What specific tarsal bone articulates with the fibula and tibia? What specific joint is this? What are all the actions of this type of joint?
- Talus
- Ankle joint; Talocrural joint; Hinge joint
- Dorsiflexion, Plantarflexion
What 3 muscles from what group insert on the Linea aspera?
Adductor Group:
- Adductor Longus
- Adductor Brevis
- Adductor Magnus
Name the distal row of carpal bones from lateral to medial.
Trapezium, Trapezoid, Capitate, Hamate
What 5 specific muscles originate on the medial epicondyle of the humerus.
- (4) Superficial flexors: pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris
- (1) Intermediate flexor: flexor digitorium superficialis
Starting at the Common Iliac artery, what is the blood flow to supply blood to the lateral compartment of the leg?
Common Iliac artery, External Iliac artery, Femoral artery, popliteal artery, posterior tibial artery, fibular artery