Os & Is
Attachments
Movement
Action!
Ligaments
100

Common Quadricep attachment: 

O or I? 

Location?

Insertion: Tibial Tuberosity

100

Hamstring muscle(s) with medial insertion(s)

Semis (Semimembranosus & Semitendinosus)

100


knee flexion

100
Resists lateral forces 

Medial Collateral Ligament

100

Green Ligament


Medial Collateral Ligament

200

hamstring muscle with an anterior insertion.

Semitendinosus

200


Ischial Tuberosity

200

Muscles responsible for knee extension

Quadriceps Muscles

200

Muscle Group: Knee Flexion & Hip Extension

Hamstring

200
Form an "X"

Cruciate Ligaments

(Anterior & Posterior)

300

Common Hamstring attachment: 

O or I? 

Location?

Origin: Ischial Tuberosity

300

Bony Attachment Name


Anterior Inferior Iliac Spine 

(Anterior Inferior Pelvis)

300

Structures preventing tibiofemoral rotation

Collateral Ligaments

(Medial & Lateral)

300
Prevents posterior tibial translation

Posterior Cruciate Ligament

300

O: Lateral Femoral Epicondyle

Lateral Collateral Ligament

400

O: proximal anteromedial femur

Vastus Medialis

400

Rough bony structure for soft tissue attachments

Epicondyle

400

Structures responsible for the screw home mechanism

Cruciate Ligaments

(Anterior & Posterior)

400

Prevents medial forces

Lateral Collateral Ligament

400

Laterally positioned cruciate ligament

ACL

500

Two structures inserting on the fibular head

Biceps Femoris Muscle

Lateral Collateral Ligament

500

O: mid-shaft, posterolateral femur

Biceps Femoris Short Head

500

Muscle Responsible?



Rectus Femoris

500

Deepen Tibiofemoral joint space

Meniscus

500

Muscle Insertion: Posteromedial Tibial Condyle 

Semimembranosus