Musculoskeletal System Review
Anatomical Planes and Direction
Cranium Mandible Clavicle Sternum Ribs Radius Ulna Carpals Metacarpals Femur Tibia Tarsals Metatarsals Patella Fibula Pelvis Vertebrae Humerus Scapula Phalanges
Synovial Joints Freely movable joints that permit movement in one or more directions 5 common types of synovial joints: – Ball and Socket joints – Hinge joints – Pivot joints – Saddle joints – Gliding joints
Types of Movement Flexion – the angle of the joint is decreased. Extension – the angle of the joint is increased. Abduction – a body part is moved away from the middle of the body. Adduction – a body part is moved towards the middle of the body. Rotation – a body part is moved either outwards or inwards around its long axis.
Types of Movement Supination – a rotation of the forearm which causes the palm of the hand to face upwards. Pronation – a rotation of the forearm which causes the palm of the hand to face downwards. Inversion – a rotation of the sole of the foot inwards. Eversion – a rotation of the sole of the foot outwards.
Tendons, Ligaments, & Cartilage Tendons – Connect muscle to bone – Strains – Ex. Achilles tendon & biceps tendon Ligaments – Connect bone to bone – Sprains – Ex. ACL, MCL, LCL, PCL, and ankle ligaments Cartilage – Use for cushioning of joints – Ex. Meniscus and Labrum